Sherpa / Romeo: SHERPA RoMEO is an online resource that aggregates and analyses publisher open access policies from around the world and provides summaries of self-archiving permissions and conditions of rights given to authors on a journal-by-journal basis.
ROMEO Colour Archiving Policy
green can archive pre-print and post-print or publisher's version/PDF
blue can archive post-print (ie final draft post-refereeing) or publisher's version/PDF
yellow can archive pre-print (ie pre-refereeing)
white archiving not formally supported