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.
Elizabeth J. Billington, Dean G. Hoffman. Trades and Graphs. Graphs and Combinatorics, 17(1):39-54, 2001. [doi]