@inproceedings{VMCAI-2007-BallK,
	author        = "Thomas Ball and Orna Kupferman",
	booktitle     = "{Proceedings of the Eighth International Conference on Verification, Model Checking and Abstract Interpretation}",
	doi           = "10.1007/978-3-540-69738-1_23",
	isbn          = "978-3-540-69735-0",
	pages         = "314--328",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Better Under-Approximation of Programs by Hiding Variables}",
	volume        = 4349,
	year          = 2007,
}