White in Sherpa; Author's Pre-print: author cannot 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
Publisher's Version/PDF: author cannot archive publisher's version/PDF  --MA 14/4/14 (and 26.914-MMM).
Requested (Tim) Accepted v & Permission 26.9.14-MMM. Response 'no file' 11.11.14-MMM. Supporting documentation added to dark upload - HD 18/11/19