c1 Refereed Journal Article. Lyn 12/7/14. Yellow in Sherpa, 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: 12 months embargo for scientific, technical and medicine titles, 2 years embargo for humanities and social science titles, Publisher's Version/PDF: author cannot archive publisher's version/PD, 31.7.14-MMM