Suber, Peter2010-10-032004Peter Suber, The many-copy problem and the many-copy solution, SPARC Open Access Newsletter, January 2, 2004.1546-7821http://nrs.harvard.edu/urn-3:HUL.InstRepos:4455495en-USscholarly communicationThe many-copy problem and the many-copy solutionJournal Article2010-10-03