category c1 Refereed Journal Article. 25/6/12 HD. Green in Sherpa: Author can archive pre-print (ie pre-refereeing), Author can archive post-print (ie final draft post-refereeing), Author cannot archive publisher's version/PDF, e-mail sent to author (Xiao) requesting Post-print & permission, 21.5.13-MMM. Author supplied wrong version, e-mail sent 22.5.13 letting author know, 22.5.13-MMM. Author's response: does not have correct post-print version, 23.5.13-MMM. Publisher's version added to dark upload (from thesis at Eprints 20524) Lyn 15/7/2020. -- Supporting correspondence & Submission & Permission Form added to Dark Archive 29.07.20-MMM