c1 Refereed Journal Article 
Yellow in SHERPA. Can archive pre-print (ie pre-refereeing).
Author's Pre-print:   author can archive pre-print (ie pre-refereeing) 
Author's Post-print:   subject to Restrictions below, author can archive post-print (ie final draft post-refereeing) 
Restrictions: If signed CTA, only allowed with written permission 0-24 months depending on journal.
Publisher's Version/PDF:   author cannot archive publisher's version/PDF. TPP 2-11-2011. 03.11-11-MMM