Guide for Authors
The objective
of the
Journal of Petroleum Science and Engineering is to bridge the gap between the engineering, the geology and the science
of petroleum and natural gas by publishing explicitly written articles intelligible to scientists and engineers working in any field
of petroleum engineering, natural gas engineering and petroleum (natural gas) geology. An attempt is made in all issues to balance the
subject matter and to appeal to a broad readership. The
Journal of Petroleum Science and Engineering covers the fields of petroleum
(and natural gas) exploration, production and flow in its broadest possible sense. Topics include: origin and accumulation of petroleum
(natural gas); petroleum (natural gas) geochemistry; reservoir engineering; rock mechanics/petrophysics; well logging, testing and evaluation;
mathematical modelling; enhanced oil and gas recovery; petroleum (natural gas) geology; compaction/diagenesis; petroleum (natural gas)
economics; drilling and drilling fluids; thermodynamics and phase behavior, fluid mechanics in porous media and multi-phase flow; reservoir
simulation; production engineering; formation evaluation; exploration methods. Papers will be published with the minimum of publication
delay. Research articles, case histories, field process reports, short communications, book reviews, symposia proceedings and review
articles are accepted. Generally, review articles on some topic of special current interest will be published.
Types
of paper
The author should specify a category designation for the manuscript (full length article, review article, short
communication, etc.). Once the submission files are uploaded, the system automatically generates an electronic (PDF) manuscript, which
is then used for reviewing. All correspondence, including notification of the Editor's decision and requests for revision, takes place
by e-mail and via the Author's homepage, removing the need for a hard-copy paper trail. In the case of Special Issues, manuscripts should
be submitted to the Guest Editor(s). Authors should ensure that they submit manuscripts and meet any additional requirements in line
with deadlines set by the Guest Editor(s) to ensure that the entire Special Issue can be published in a timely fashion.
Contact details for submission
Journal of Petroleum Science and Engineering uses an online, electronic submission
system. By accessing the website http://ees.elsevier.com/petrol you will be guided stepwise through the creation and uploading of the
various files. When submitting a manuscript to Elsevier Editorial System, authors need to provide an electronic version of their manuscript.
The system automatically converts source files to a single Adobe Acrobat PDF version of the article, which is used in the peer-review
process. Please note that even though manuscript source files are converted to PDF at submission for the review process, these source
files are needed for further processing after acceptance.
Ethics
in publishing
For information on Ethics in publishing and Ethical guidelines for journal publication see
http://www.elsevier.com/publishingethics
and
http://www.elsevier.com/ethicalguidelines.
Policy and ethics
The work
described in your article must have been carried out in accordance with
The Code of Ethics of the World Medical Association (Declaration
of Helsinki) for experiments involving humans
http://www.wma.net/en/30publications/10policies/b3/index.html;
EU
Directive 2010/63/EU for animal experiments
http://ec.europa.eu/environment/chemicals/lab_animals/legislation_en.htm;
Uniform Requirements for manuscripts submitted to Biomedical journals
http://www.icmje.org. This must be stated
at an appropriate point in the article.
Conflict of interest
All authors are requested to
disclose any actual or potential conflict of interest including any financial, personal or other relationships with other people or organizations
within three years of beginning the submitted work that could inappropriately influence, or be perceived to influence, their work. See
also
http://www.elsevier.com/conflictsofinterest.
Submission declaration and verification
Submission
of an article implies that the work described has not been published previously (except in the form of an abstract or as part of a published
lecture or academic thesis), that it is not under consideration for publication elsewhere, that its publication is approved by all authors
and tacitly or explicitly by the responsible authorities where the work was carried out, and that, if accepted, it will not be published
elsewhere in the same form, in English or in any other language, including electronically without the written consent of the copyright-holder.
To verify originality, your article may be checked by the originality detection software iThenticate. See also
http://www.elsevier.com/editors/plagdetect.
Contributors
Each author is required to declare his or her individual contribution to the article: all authors
must have materially participated in the research and/or article preparation, so roles for all authors should be described. The statement
that all authors have approved the final article should be true and included in the disclosure.
Authorship
All
authors should have made substantial contributions to all of the following: (1) the conception and design of the study, or acquisition
of data, or analysis and interpretation of data, (2) drafting the article or revising it critically for important intellectual content,
(3) final approval of the version to be submitted.
Changes to authorship
This policy concerns
the addition, deletion, or rearrangement of author names in the authorship of accepted manuscripts:
Before the accepted manuscript
is published in an online issue: Requests to add or remove an author, or to rearrange the author names, must be sent to the Journal
Manager from the corresponding author of the accepted manuscript and must include: (a) the reason the name should be added or removed,
or the author names rearranged and (b) written confirmation (e-mail, fax, letter) from all authors that they agree with the addition,
removal or rearrangement. In the case of addition or removal of authors, this includes confirmation from the author being added or removed.
Requests that are not sent by the corresponding author will be forwarded by the Journal Manager to the corresponding author, who must
follow the procedure as described above. Note that: (1) Journal Managers will inform the Journal Editors of any such requests and (2)
publication of the accepted manuscript in an online issue is suspended until authorship has been agreed.
After the accepted manuscript
is published in an online issue: Any requests to add, delete, or rearrange author names in an article published in an online issue
will follow the same policies as noted above and result in a corrigendum.
Copyright
Upon
acceptance of an article, authors will be asked to complete a 'Journal Publishing Agreement' (for more information on this and copyright
see
http://www.elsevier.com/copyright). Acceptance of the agreement will ensure the widest possible dissemination of information.
An e-mail will be sent to the corresponding author confirming receipt of the manuscript together with a 'Journal Publishing Agreement'
form or a link to the online version of this agreement.
Subscribers may reproduce tables of contents or prepare lists of articles
including abstracts for internal circulation within their institutions. Permission of the Publisher is required for resale or distribution
outside the institution and for all other derivative works, including compilations and translations (please consult
http://www.elsevier.com/permissions).
If excerpts from other copyrighted works are included, the author(s) must obtain written permission from the copyright owners and credit
the source(s) in the article. Elsevier has preprinted forms for use by authors in these cases: please consult
http://www.elsevier.com/permissions.
Retained author rights
As an author you (or your employer or institution) retain certain rights; for details
you are referred to:
http://www.elsevier.com/authorsrights.
Role of the funding source
You
are requested to identify who provided financial support for the conduct of the research and/or preparation of the article and to briefly
describe the role of the sponsor(s), if any, in study design; in the collection, analysis and interpretation of data; in the writing
of the report; and in the decision to submit the article for publication. If the funding source(s) had no such involvement then this
should be stated. Please see
http://www.elsevier.com/funding.
Funding body agreements and
policies
Elsevier has established agreements and developed policies to allow authors whose articles appear in journals
published by Elsevier, to comply with potential manuscript archiving requirements as specified as conditions of their grant awards. To
learn more about existing agreements and policies please visit
http://www.elsevier.com/fundingbodies.
Open access
This journal offers you the option of making your article freely available to all via the ScienceDirect
platform. To prevent any conflict of interest, you can only make this choice after receiving notification that your article has been
accepted for publication. The fee of $3,000 excludes taxes and other potential author fees such as color charges. In some cases, institutions
and funding bodies have entered into agreement with Elsevier to meet these fees on behalf of their authors. Details of these agreements
are available at
http://www.elsevier.com/fundingbodies. Authors of accepted articles, who wish to take advantage of this
option, should complete and submit the order form (available at
http://www.elsevier.com/locate/openaccessform.pdf). Whatever
access option you choose, you retain many rights as an author, including the right to post a revised personal version of your article
on your own website. More information can be found here:
http://www.elsevier.com/authorsrights.
Language
and language services
Please write your text in good English (American or British usage is accepted, but not a mixture
of these). Authors who require information about language editing and copyediting services pre- and post-submission please visit
http://webshop.elsevier.com/languageservices or our customer support
site at
http://support.elsevier.com
for more information.
Submission
Submission to this journal proceeds totally online and
you will be guided stepwise through the creation and uploading of your files. The system automatically converts source files to a single
PDF file of the article, which is used in the peer-review process. Please note that even though manuscript source files are converted
to PDF files at submission for the review process, these source files are needed for further processing after acceptance. All correspondence,
including notification of the Editor's decision and requests for revision, takes place by e-mail removing the need for a paper trail.
Submit your article
Please submit your article via
http://ees.elsevier.com/petrol.
Referees
Please submit, with the manuscript, the names, addresses and e-mail addresses of 4 potential referees.
Note that the editor retains the sole right to decide whether or not the suggested reviewers are used.
Use of wordprocessing software
It is important that the file be saved in the native format of the wordprocessor
used. The text should be in single-column format. Keep the layout of the text as simple as possible. Most formatting codes will be removed
and replaced on processing the article. In particular, do not use the wordprocessor's options to justify text or to hyphenate words.
However, do use bold face, italics, subscripts, superscripts etc. When preparing tables, if you are using a table grid, use only one
grid for each individual table and not a grid for each row. If no grid is used, use tabs, not spaces, to align columns. The electronic
text should be prepared in a way very similar to that of conventional manuscripts (see also the Guide to Publishing with Elsevier:
http://www.elsevier.com/guidepublication).
Note that source files of figures, tables and text graphics will be required whether or not you embed your figures in the text. See also
the section on Electronic artwork.
To avoid unnecessary errors you are strongly advised to use the 'spell-check' and 'grammar-check'
functions of your wordprocessor.
LaTeX
If the LaTeX file is suitable, proofs will be produced
without rekeying the text. The article should preferably be written using Elsevier's document class 'elsarticle', or alternatively any
of the other recognized classes and formats supported in Elsevier's electronic submissions system, for further information see
http://www.elsevier.com/wps/find/authorsview.authors/latex-ees-supported.
The Elsevier 'elsarticle' LaTeX style file package (including detailed instructions for LaTeX preparation) can be obtained
from the Quickguide:
http://www.elsevier.com/latex. It consists of the file: elsarticle.cls, complete user documentation
for the class file, bibliographic style files in various styles, and template files for a quick start.
Article
structure
Subdivision - numbered sections
Divide your article into clearly defined and numbered
sections. Subsections should be numbered 1.1 (then 1.1.1, 1.1.2, ...), 1.2, etc. (the abstract is not included in section numbering).
Use this numbering also for internal cross-referencing: do not just refer to 'the text'. Any subsection may be given a brief heading.
Each heading should appear on its own separate line.
Introduction
State the objectives of
the work and provide an adequate background, avoiding a detailed literature survey or a summary of the results.
Material
and methods
Provide sufficient detail to allow the work to be reproduced. Methods already published should be indicated
by a reference: only relevant modifications should be described.
Experimental
Provide sufficient
detail to allow the work to be reproduced. Methods already published should be indicated by a reference: only relevant modifications
should be described.
Theory/calculation
A Theory section should extend, not repeat, the
background to the article already dealt with in the Introduction and lay the foundation for further work. In contrast, a Calculation
section represents a practical development from a theoretical basis.
Results
Results should
be clear and concise.
Discussion
This should explore the significance of the results of
the work, not repeat them. A combined Results and Discussion section is often appropriate. Avoid extensive citations and discussion of
published literature.
Conclusions
The main conclusions of the study may be presented in
a short Conclusions section, which may stand alone or form a subsection of a Discussion or Results and Discussion section.
Appendices
If there is more than one appendix, they should be identified as A, B, etc. Formulae and equations
in appendices should be given separate numbering: Eq. (A.1), Eq. (A.2), etc.; in a subsequent appendix, Eq. (B.1) and so on. Similarly
for tables and figures: Table A.1; Fig. A.1, etc.
Essential title page information
•
Title.
Concise and informative. Titles are often used in information-retrieval systems. Avoid abbreviations and formulae
where possible.
•
Author names and affiliations.
Where the family name may be ambiguous (e.g., a double name),
please indicate this clearly. Present the authors' affiliation addresses (where the actual work was done) below the names. Indicate all
affiliations with a lower-case superscript letter immediately after the author's name and in front of the appropriate address. Provide
the full postal address of each affiliation, including the country name and, if available, the e-mail address of each author.
•
Corresponding author.
Clearly indicate who will handle correspondence at all stages of refereeing and publication, also
post-publication.
Ensure that telephone and fax numbers (with country and area code) are provided in addition to the e-mail address
and the complete postal address. Contact details must be kept up to date by the corresponding author.
•
Present/permanent
address.
If an author has moved since the work described in the article was done, or was visiting at the time, a 'Present address'
(or 'Permanent address') may be indicated as a footnote to that author's name. The address at which the author actually did the work
must be retained as the main, affiliation address. Superscript Arabic numerals are used for such footnotes.
Abstract
A
concise and factual abstract is required. The abstract should state briefly the purpose of the research, the principal results and major
conclusions. An abstract is often presented separately from the article, so it must be able to stand alone. For this reason, References
should be avoided, but if essential, then cite the author(s) and year(s). Also, non-standard or uncommon abbreviations should be avoided,
but if essential they must be defined at their first mention in the abstract itself.
The abstract should
not count more than 500 words
Graphical abstract
A Graphical abstract is optional and should
summarize the contents of the article in a concise, pictorial form designed to capture the attention of a wide readership online. Authors
must provide images that clearly represent the work described in the article. Graphical abstracts should be submitted as a separate file
in the online submission system. Image size: Please provide an image with a minimum of 531 × 1328 pixels (h × w) or proportionally
more. The image should be readable at a size of 5 × 13 cm using a regular screen resolution of 96 dpi. Preferred file types: TIFF,
EPS, PDF or MS Office files. See
http://www.elsevier.com/graphicalabstracts for examples.
Authors can make use of Elsevier's
Illustration and Enhancement service to ensure the best presentation of their images also in accordance with all technical requirements:
Illustration Service.
Highlights
Highlights are mandatory for this journal. They consist of a short collection of bullet points
that convey the core findings of the article and should be submitted in a separate file in the online submission system. Please use 'Highlights'
in the file name and include 3 to 5 bullet points (maximum 85 characters, including spaces, per bullet point). See
http://www.elsevier.com/highlights
for examples.
Keywords
Immediately after the abstract, provide a maximum of 6 keywords,
using American spelling and avoiding general and plural terms and multiple concepts (avoid, for example, 'and', 'of'). Be sparing with
abbreviations: only abbreviations firmly established in the field may be eligible. These keywords will be used for indexing purposes.
Provide 4 - 6 keywords taken from the AGI GeoiRef Thesaurus and place them beneath the abstract
Classification
codes
Please identify your manuscript's areas of interest and specialization by selecting one or more classifications from
the list supplied on-line during the submission.
Abbreviations
Define abbreviations that
are not standard in this field in a footnote to be placed on the first page of the article. Such abbreviations that are unavoidable in
the abstract must be defined at their first mention there, as well as in the footnote. Ensure consistency of abbreviations throughout
the article.
Acknowledgements
Collate acknowledgements in a separate section at the end
of the article before the references and do not, therefore, include them on the title page, as a footnote to the title or otherwise.
List here those individuals who provided help during the research (e.g., providing language help, writing assistance or proof reading
the article, etc.).
Units
Follow internationally accepted rules and conventions: use the
international system of units (SI). If other units are mentioned, please give their equivalent in SI.
Math
formulae
Present simple formulae in the line of normal text where possible and use the solidus (/) instead of a horizontal
line for small fractional terms, e.g., X/Y. In principle, variables are to be presented in italics. Powers of e are often more conveniently
denoted by exp. Number consecutively any equations that have to be displayed separately from the text (if referred to explicitly in the
text).
Footnotes
Footnotes should be used sparingly. Number them consecutively throughout
the article, using superscript Arabic numbers. Many wordprocessors build footnotes into the text, and this feature may be used. Should
this not be the case, indicate the position of footnotes in the text and present the footnotes themselves separately at the end of the
article. Do not include footnotes in the Reference list.
Table footnotes
Indicate each footnote in a table with a superscript
lowercase letter.
Artwork
Electronic artwork
General
points
• Make sure you use uniform lettering and sizing of your original artwork.
• Save text in illustrations
as 'graphics' or enclose the font.
• Only use the following fonts in your illustrations: Arial, Courier, Times, Symbol.
•
Number the illustrations according to their sequence in the text.
• Use a logical naming convention for your artwork files.
• Provide captions to illustrations separately.
• Produce images near to the desired size of the printed version.
•
Submit each figure as a separate file.
A detailed guide on electronic artwork is available on our website:
http://www.elsevier.com/artworkinstructions
You are urged to visit this site; some excerpts from the detailed information are given here.
Formats
Regardless
of the application used, when your electronic artwork is finalised, please 'save as' or convert the images to one of the following formats
(note the resolution requirements for line drawings, halftones, and line/halftone combinations given below):
EPS: Vector drawings.
Embed the font or save the text as 'graphics'.
TIFF: Color or grayscale photographs (halftones): always use a minimum of 300 dpi.
TIFF: Bitmapped line drawings: use a minimum of 1000 dpi.
TIFF: Combinations bitmapped line/half-tone (color or grayscale): a
minimum of 500 dpi is required.
If your electronic artwork is created in a Microsoft Office application (Word, PowerPoint, Excel)
then please supply 'as is'.
Please do not:
• Supply files that are optimised for screen use (e.g., GIF, BMP, PICT,
WPG); the resolution is too low;
• Supply files that are too low in resolution;
• Submit graphics that are disproportionately
large for the content.
Color artwork
Please make sure that artwork files are in an acceptable
format (TIFF, EPS or MS Office files) and with the correct resolution. If, together with your accepted article, you submit usable color
figures then Elsevier will ensure, at no additional charge, that these figures will appear in color on the Web (e.g., ScienceDirect and
other sites) regardless of whether or not these illustrations are reproduced in color in the printed version.
For color reproduction
in print, you will receive information regarding the costs from Elsevier after receipt of your accepted article. Please indicate
your preference for color: in print or on the Web only. For further information on the preparation of electronic artwork, please see
http://www.elsevier.com/artworkinstructions.
Please note: Because of technical complications which can arise by converting
color figures to 'gray scale' (for the printed version should you not opt for color in print) please submit in addition usable black
and white versions of all the color illustrations.
Figure captions
Ensure that each illustration
has a caption. Supply captions separately, not attached to the figure. A caption should comprise a brief title (
not on the figure
itself) and a description of the illustration. Keep text in the illustrations themselves to a minimum but explain all symbols and abbreviations
used.
Text graphics
Text graphics may be embedded in the text at the appropriate position.
If you are working with LaTeX and have such features embedded in the text, these can be left. Further, high-resolution graphics files
must be provided separately whether or not the graphics are embedded. See further under Electronic artwork.
Tables
Number
tables consecutively in accordance with their appearance in the text. Place footnotes to tables below the table body and indicate them
with superscript lowercase letters. Avoid vertical rules. Be sparing in the use of tables and ensure that the data presented in tables
do not duplicate results described elsewhere in the article.
References
The reference list
should be in alphabetical order
Citation in text
Please ensure that every reference cited
in the text is also present in the reference list (and vice versa). Any references cited in the abstract must be given in full. Unpublished
results and personal communications are not recommended in the reference list, but may be mentioned in the text. If these references
are included in the reference list they should follow the standard reference style of the journal and should include a substitution of
the publication date with either 'Unpublished results' or 'Personal communication'. Citation of a reference as 'in press' implies that
the item has been accepted for publication.
Web references
As a minimum, the full URL should
be given and the date when the reference was last accessed. Any further information, if known (DOI, author names, dates, reference to
a source publication, etc.), should also be given. Web references can be listed separately (e.g., after the reference list) under a different
heading if desired, or can be included in the reference list.
References in a special issue
Please
ensure that the words 'this issue' are added to any references in the list (and any citations in the text) to other articles in the same
Special Issue.
Reference style
Text: All citations in the text should refer to:
1.
Single author: the author's name (without initials, unless there is ambiguity) and the year of publication;
2.
Two
authors: both authors' names and the year of publication;
3.
Three or more authors: first author's name followed by
'et al.' and the year of publication.
Citations may be made directly (or parenthetically). Groups of references should be listed
first alphabetically, then chronologically.
Examples: 'as demonstrated (Allan, 2000a, 2000b, 1999; Allan and Jones, 1999). Kramer
et al. (2010) have recently shown ....'
List: References should be arranged first alphabetically and then further sorted
chronologically if necessary. More than one reference from the same author(s) in the same year must be identified by the letters 'a',
'b', 'c', etc., placed after the year of publication.
Examples:
Reference to a journal publication:
Van der Geer,
J., Hanraads, J.A.J., Lupton, R.A., 2010. The art of writing a scientific article. J. Sci. Commun. 163, 51–59.
Reference to
a book:
Strunk Jr., W., White, E.B., 2000. The Elements of Style, fourth ed. Longman, New York.
Reference to a chapter in an
edited book:
Mettam, G.R., Adams, L.B., 2009. How to prepare an electronic version of your article, in: Jones, B.S., Smith , R.Z.
(Eds.), Introduction to the Electronic Age. E-Publishing Inc., New York, pp. 281–304.
Journal abbreviations
source
Journal names should be abbreviated according to
Index Medicus journal abbreviations:
http://www.nlm.nih.gov/tsd/serials/lji.html;
List of title word abbreviations:
http://www.issn.org/2-22661-LTWA-online.php;
CAS (Chemical Abstracts Service):
http://www.cas.org/sent.html.
Video data
Elsevier accepts video material and
animation sequences to support and enhance your scientific research. Authors who have video or animation files that they wish to submit
with their article are strongly encouraged to include these within the body of the article. This can be done in the same way as a figure
or table by referring to the video or animation content and noting in the body text where it should be placed. All submitted files should
be properly labeled so that they directly relate to the video file's content. In order to ensure that your video or animation material
is directly usable, please provide the files in one of our recommended file formats with a preferred maximum size of 50 MB. Video and
animation files supplied will be published online in the electronic version of your article in Elsevier Web products, including ScienceDirect:
http://www.sciencedirect.com. Please supply 'stills' with your files: you can choose any frame from the video or animation
or make a separate image. These will be used instead of standard icons and will personalize the link to your video data. For more detailed
instructions please visit our video instruction pages at
http://www.elsevier.com/artworkinstructions. Note: since video
and animation cannot be embedded in the print version of the journal, please provide text for both the electronic and the print version
for the portions of the article that refer to this content.
Supplementary data
Elsevier
accepts electronic supplementary material to support and enhance your scientific research. Supplementary files offer the author additional
possibilities to publish supporting applications, high-resolution images, background datasets, sound clips and more. Supplementary files
supplied will be published online alongside the electronic version of your article in Elsevier Web products, including ScienceDirect:
http://www.sciencedirect.com. In order to ensure that your submitted material is directly usable, please provide the data
in one of our recommended file formats. Authors should submit the material in electronic format together with the article and supply
a concise and descriptive caption for each file. For more detailed instructions please visit our artwork instruction pages at
http://www.elsevier.com/artworkinstructions.
Data at PANGAEA
Electronic archiving of supplementary data enables readers to replicate, verify and build
upon the conclusions published in your paper. We recommend that data should be deposited in the data library PANGAEA (
http://www.pangaea.de).
Data are quality controlled and archived by an editor in standard machine-readable formats and are available via Open Access. After processing,
the author receives an identifier (DOI) linking to the supplements for checking. As your data sets will be citable you might want to
refer to them in your article. In any case, data supplements and the article will be automatically linked as in the following example:
doi:10.1016/0016-7037(95)00105-9. Please use PANGAEA's
web interface to submit your data (
http://www.pangaea.de/submit/).
Google Maps and KML files
KML
(Keyhole Markup Language) files (optional): You can enrich your online articles by providing KML files which will be visualized using
Google maps. The KML files can be uploaded in our online submission system. KML is an XML schema for expressing geographic annotation
and visualization within Internet-based Earth browsers. Elsevier will generate Google Maps from the submitted KML files and include these
in the article when published online. Submitted KML files will also be available for downloading from your online article on ScienceDirect.
For more information see
http://www.elsevier.com/googlemaps.
Submission checklist
The
following list will be useful during the final checking of an article prior to sending it to the journal for review. Please consult this
Guide for Authors for further details of any item.
Ensure that the following items are present:
One author has been designated
as the corresponding author with contact details:
• E-mail address
• Full postal address
• Telephone and fax
numbers
All necessary files have been uploaded, and contain:
• Keywords
• All figure captions
• All tables
(including title, description, footnotes)
Further considerations
• Manuscript has been 'spell-checked' and 'grammar-checked'
• References are in the correct format for this journal
• All references mentioned in the Reference list are cited
in the text, and vice versa
• Permission has been obtained for use of copyrighted material from other sources (including the
Web)
• Color figures are clearly marked as being intended for color reproduction on the Web (free of charge) and in print, or
to be reproduced in color on the Web (free of charge) and in black-and-white in print
• If only color on the Web is required,
black-and-white versions of the figures are also supplied for printing purposes
For any further information please visit our customer
support site at
http://support.elsevier.com.
Use of the Digital Object Identifier
The Digital Object Identifier
(DOI) may be used to cite and link to electronic documents. The DOI consists of a unique alpha-numeric character string which is assigned
to a document by the publisher upon the initial electronic publication. The assigned DOI never changes. Therefore, it is an ideal medium
for citing a document, particularly 'Articles in press' because they have not yet received their full bibliographic information. The
correct format for citing a DOI is shown as follows (example taken from a document in the journal
Physics Letters B):
doi:10.1016/j.physletb.2010.09.059
When you use the DOI to create URL hyperlinks to documents on the web, the DOIs are guaranteed never to change.
Proofs
One set of page proofs (as PDF files) will be sent by e-mail to the corresponding author (if we do
not have an e-mail address then paper proofs will be sent by post) or, a link will be provided in the e-mail so that authors can download
the files themselves. Elsevier now provides authors with PDF proofs which can be annotated; for this you will need to download Adobe
Reader version 7 (or higher) available free from
http://get.adobe.com/reader. Instructions on how to annotate PDF files
will accompany the proofs (also given online). The exact system requirements are given at the Adobe site:
http://www.adobe.com/products/reader/tech-specs.html.
If you do not wish to use the PDF annotations function, you may list the corrections (including replies to the Query Form) and return
them to Elsevier in an e-mail. Please list your corrections quoting line number. If, for any reason, this is not possible, then mark
the corrections and any other comments (including replies to the Query Form) on a printout of your proof and return by fax, or scan the
pages and e-mail, or by post. Please use this proof only for checking the typesetting, editing, completeness and correctness of the text,
tables and figures. Significant changes to the article as accepted for publication will only be considered at this stage with permission
from the Editor. We will do everything possible to get your article published quickly and accurately – please let us have all your
corrections within 48 hours. It is important to ensure that all corrections are sent back to us in one communication: please check carefully
before replying, as inclusion of any subsequent corrections cannot be guaranteed. Proofreading is solely your responsibility. Note that
Elsevier may proceed with the publication of your article if no response is received.
Offprints
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