White in Sherpa: author cannot archive pre-print (ie pre-refereeing).
author cannot archive post-print (ie final draft post-refereeing).
Publisher's Version/PDF: subject to Restrictions below, author can archive publisher's version/PDF, 
Restrictions: •Permission must be obtained from the publisher
General Conditions: •Publisher's version/PDF must be used
•Publisher copyright and source must be acknowledged
•May link to publisher version.
3.9.15--MMM