c1 Refereed Journal Article LL 7.2.14. 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 Requesed (Mike) Accepted v. & Permission, 20.8.14-MMM, Received permission & publisher's v. (Mike indicated is the only copy he has), 22.8.14-MMM. Received Accepted v. 8.9.14-MMM. Supporting documentation added to dark upload - HD 9/11/17