@inproceedings{TACAS-2004-BehrmannBLP,
	author        = "Gerd Behrmann and Patricia Bouyer and Kim Guldstrand Larsen and Radek Pelánek",
	booktitle     = "{Proceedings of the 10th International Conference on Tools and Algorithms for the Construction and Analysis of Systems}",
	doi           = "10.1007/978-3-540-24730-2_25",
	isbn          = "3-540-21299-X",
	pages         = "312--326",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Lower and Upper Bounds in Zone Based Abstractions of Timed Automata}",
	volume        = 2988,
	year          = 2004,
}