Gratis and libre open access

Suber, Peter2010-07-302008Peter Suber, Gratis and libre open access, SPARC Open Access Newsletter, August 2, 2008.1546-7821http://nrs.harvard.edu/urn-3:HUL.InstRepos:4322580en-USscholarly communicationGratis and libre open accessJournal Article2010-07-30