Green in Sherpa: 
Author's Pre-print: 	green tick  author can archive pre-print (ie pre-refereeing)
Author's Post-print: 	green tick  author can archive post-print (ie final draft post-refereeing)
Publisher's Version/PDF: 	cross  author cannot archive publisher's version/PDF
General Conditions: 	
 Published source must be acknowledged
 Publisher's version/PDF cannot be used.
29.5.15-MMM.
  [TESTING - Left in live termporarily - also see dup in live 26900, 31.7.15-MMM