@inproceedings{GG-1986-EngelsLS,
	author        = "Gregor Engels and Claus Lewerentz and Wilhelm Schäfer",
	booktitle     = "{Proceedings of the Third International Workshop on Graph-Grammars and Their Application to Computer Science}",
	doi           = "10.1007/3-540-18771-5_53",
	editor        = "Hartmut Ehrig and Manfred Nagl and Grzegorz Rozenberg and Azriel Rosenfeld",
	isbn          = "3-540-18771-5",
	pages         = "186--201",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Graph Grammar Engineering: A Software Specification Method}",
	volume        = 291,
	year          = 1986,
}