University of Salford, Faraday House 43 Crescent, Salford, M5 4WT, UK, Fax: +44-1204-656958, Tel: +44-161-295 5698, Email: a.j.barnes@salford.ac.uk
R. Fausto
Dept. of Chemistry, Universidade de Coimbra, Rua Larga, 3004-535 Sé Nova, Coimbra, Portugal, Fax: +351 239 827 703, Tel: +351 293 852 080, Email: rfausto@ci.uc.pt
J. Laane
Department of Industrial and Systems Engineering, Texas A&M University, 3131 Tamus, College Station, TX 77843 3131, USA, Fax: +1-409-8453145, Tel: +1-409-8453352, Email: laane@mail.chem.tamu.edu