@inproceedings{PS-1981-EhrigKTWW,
	author        = "Hartmut Ehrig and Hans-Jörg Kreowski and James W. Thatcher and Eric G. Wagner and Jesse B. Wright",
	booktitle     = "{Proceedings of a Workshop on Program Specification}",
	doi           = "10.1007/3-540-11490-4_21",
	isbn          = "3-540-11490-4",
	pages         = "322--369",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Parameter Passing in Algebraic Specification Languages}",
	volume        = 134,
	year          = 1981,
}