Andrei Voronkov. Merging Relational Database Technology with Constraint Technology. In Dines Bjørner, Manfred Broy, Igor V. Pottosin, editors, Perspectives of System Informatics, Second International Andrei Ershov Memorial Conference, Akademgorodok, Novosibirsk, Russia, June 25-28, 1996, Proceedings. Volume 1181 of Lecture Notes in Computer Science, pages 409-419, Springer, 1996.