Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Chuck Thomas, Robert H. McDonald, Cat S. McDowell. Overview - Repositories by the Numbers. D-Lib Magazine, 13(9/10), 2007. [doi]
Abstract is missing.