@inproceedings{TAGT-1998-MunchSW,
	author        = "Manfred Münch and Andy Schürr and Andreas J. Winter",
	booktitle     = "{Selected Papers of the Sixth International Workshop on Theory and Application of Graph Transformations}",
	editor        = "Hartmut Ehrig and Gregor Engels and Hans-Jörg Kreowski and Grzegorz Rozenberg",
	isbn          = "3-540-67203-6",
	pages         = "338--351",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Integrity Constraints in the Multi-paradigm Language PROGRES}",
	volume        = 1764,
	year          = 1998,
}