@inproceedings{RTA-1999-HofbauerH,
	author        = "Dieter Hofbauer and Maria Huber",
	booktitle     = "{Proceedings of the 10th International Conference on Rewriting Techniques and Applications}",
	doi           = "10.1007/3-540-48685-2_16",
	editor        = "Paliath Narendran and Michaël Rusinowitch",
	isbn          = "3-540-66201-4",
	pages         = "205--219",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Test Sets for the Universal and Existential Closure of Regular Tree Languages}",
	volume        = 1631,
	year          = 1999,
}