(1) School of Engineering, University of Durham, South Rd., Durham, DH1 3LE, UK;(2) School of Chemical and Life Sciences, University of Northumbria at Newcastle, Ellison Building, Newcastle-upon-Tyne, NE1 8ST, UK
Abstract:
Abstracts are not published in this journal This revised version was published online in November 2006 with corrections to the Cover Date.