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.
Gottfried Vossen. Datenmodelle, Datenbanksprachen und Datenbank-Management-Systeme. 2. Auflage. Addison-Wesley, 1994.