c1 Refereed Journal Article
Yellow on sherpa, Can archive pre-print (ie pre-refereeing),  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. author cannot archive publisher's version/PDF. TPP 2-11-2011. e-mail sent to Nagengra 15.11.11-MMM