From Sherpa: Author's Pre-print:
  author cannot archive pre-print (ie pre-refereeing)
Author's Post-print:
  author can archive post-print (ie final draft post-refereeing)
Publisher's Version/PDF:
  archiving status unknown
General Conditions:
Published source must be acknowledged
On a non-profit server
Embargo until published.
Ver from file, 7.4.2020-MMM. HERDC documentation added to dark upload - HD 5/1/21