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.
Bernd Walter. Datenbankkonzepte für wissensbasierte Systeme. In Entwicklungstendenzen bei Datenbanksystemen. pages 145-171, 1991.