category c1 Refereed Journal Article. 13/12/11 RD. Blue in Sherpa: Author's Pre-print:   author cannot archive pre-print (ie pre-refereeing) 
Author's Post-print:   author cannot archive post-print (ie final draft post-refereeing) 
Publisher's Version/PDF:   author can archive publisher's version/PDF 
REquested (Margaret) Permission 22.8.14-MMM