@inproceedings{CAV-1995-DillW,
	author        = "David L. Dill and Howard Wong-Toi",
	booktitle     = "{Proceedings of the Seventh International Conference on Computer Aided Verification}",
	doi           = "10.1007/3-540-60045-0_66",
	isbn          = "3-540-60045-0",
	pages         = "409--422",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Verification of Real-Time Systems by Successive Over and Under Approximation}",
	volume        = 939,
	year          = 1995,
}