MA 22/6/17. --
Ungraded in Sherpa, 22.6.17-MMM
Yellow in Sherpa: 
Author's Pre-print: 	green tick  author can 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: 	cross  author cannot archive publisher's version/PDF
General Conditions: 	

    Publisher's version/PDF cannot be used
    On authors institutional repository
    Must link to publisher version LL 13/3/18