category c1 Refereed Journal Article pt.15/6/12. Add refs, Verified, 12.9.12-MMM. Author's Pre-print: archiving status unclear,
author can archive post-print (ie final draft post-refereeing),
author can archive publisher's version/PDF, 6.9.13-MMM.  Requested (Coral) Accepted Version or Publisher/pdf & Permission, 18.11.13-MMM. HERDC documentation added to dark upload - HD 20/7/20