@inproceedings{CSL-1988-SudkampK,
	author        = "Norbert Südkamp and Peter Kandzia",
	booktitle     = "{Proceedings of the Second Workshop on Computer Science Logic}",
	doi           = "10.1007/BFb0026310",
	isbn          = "3-540-51659-X",
	pages         = "313--328",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Enforcement of Integrity Constraints in a Semantic Data Model}",
	volume        = 385,
	year          = 1988,
}