@inproceedings{TAP-2008-BallK,
	author        = "Thomas Ball and Orna Kupferman",
	booktitle     = "{Proceedings of the Second International Conference on Tests and Proofs}",
	doi           = "10.1007/978-3-540-79124-9_2",
	isbn          = "978-3-540-79123-2",
	pages         = "4--17",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Vacuity in Testing}",
	volume        = 4966,
	year          = 2008,
}