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.
Peter P. Chen. The Entity-Relationship Model - Toward a Unified View of Data. ACM Trans. Database Syst., 1(1):9-36, 1976. [doi]