MA 27/4/14. Green in Sherpa: Author's Pre-print: author can archive pre-print (ie pre-refereeing) Author's Post-print: author can archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: author cannot archive publisher's version/PDF, Requested (Stephen) Accepted v. & Permission, 31.7.14-MMM. Both received 7.8.14-MMM. Supporting documentation added to dark upload - HD 13/11/17