Open access journal Lyn 17/7/14. 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 can archive publisher's version/PDF. Requested (George) Permission 19.9.14-MMM. Received 30.9.14-MMM. Supporting documentation added to dark upload - HD 13/6/18