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.
Hendrik Ditt, Ludger Becker, Andreas Voigtmann, Klaus Hinrichs. Constraints and Triggers in an Object-Oriented Geo Database Kernel. In DEXA Workshop. pages 508-513, 1997.