MA 14/6/17. --
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.--
Accepted v. requested (Gilmore) 16.6.17-MMM 
Publisher's version added to dark upload for ERA LL 28/2/18