@inproceedings{DAC-1999-GovindarajuDB,
	author        = "Shankar G. Govindaraju and David L. Dill and Jules P. Bergmann",
	booktitle     = "{Proceedings of the 36th Design Automation Conference}",
	doi           = "10.1145/309847.309940",
	pages         = "312--316",
	publisher     = "{ACM Press}",
	title         = "{Improved Approximate Reachability Using Auxiliary State Variables}",
	year          = 1999,
}