@inproceedings{ICALP-1992-Engelfriet,
	author        = "Joost Engelfriet",
	booktitle     = "{Proceedings of the 19th International Colloquium on Automata, Languages and Programming}",
	doi           = "10.1007/3-540-55719-9_70",
	isbn          = "3-540-55719-9",
	pages         = "138--149",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Greibach Normal Form for Context-free Graph Grammars}",
	volume        = 623,
	year          = 1992,
}