LL 23/8/18. Blue in Sherpa, Author's Pre-print: cross author cannot archive pre-print (ie pre-refereeing) Author's Post-print: cross author cannot archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: green tick author can archive publisher's version/PDF General Conditions: Publisher's version/PDF must be used On open access repositories Creative Commons Attribution License." -- LL 23/8/18