What's the ullage of your library?

Suber, Peter2011-02-102004Peter Suber, What's the ullage of your library?, SPARC Open Access Newsletter, January 2, 2004.1546-7821http://nrs.harvard.edu/urn-3:HUL.InstRepos:4723856en-USscholarly communicationWhat's the ullage of your library?Journal Article2011-02-10