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 cannot archive publisher's version/PDF 
General Conditions: •Some individual journals may have policies prohibiting pre-print archiving
•On author's personal website or departmental website immediately
•On institutional repository or subject-based repository after a 18 months embargo
•Publisher's version/PDF cannot be used ...
27.5.15-MMM