@inproceedings{DLT-2004-BeekCHV,
	author        = "Maurice H. ter Beek and Erzsébet Csuhaj-Varjú and Markus Holzer and György Vaszil",
	booktitle     = "{Proceedings of the Eighth International Conference on Developments in Language Theory}",
	doi           = "10.1007/978-3-540-30550-7_7",
	isbn          = "3-540-24014-4",
	pages         = "76--88",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{On Competence in CD Grammar Systems}",
	volume        = 3340,
	year          = 2004,
}