Dept. of Engineering Materials, University of Sheffield, Sir Robert Hadfield Building, Mappin Street, Sheffield, S1 3JD, UK, Fax: +44 1142225943, Tel: +44 1142225466, Email: a.matthews@sheffield.ac.uk
CNRS, National Polytechnic Institute of Grenoble, B.P. 166, 25 Rue des Martyrs, 38042 Grenoble, Cedex 9, France, Fax: +33 4 76 88 7945, Tel: +33 4 7688 1071, Email: yves.pauleau@grenoble.cnrs.fr
Professor I. Petrov
Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, 104 S. Goodwin Avenue, Urbana, IL 61801, USA, Fax: +1 217 244 2278, Tel: +1 217 333 8396, Email: petrov@illinois.edu