@inproceedings{CAV-1990-BryantS,
	author        = "Randal E. Bryant and Carl-Johan H. Seger",
	booktitle     = "{Proceedings of the Second International Workshop on Computer Aided Verification}",
	doi           = "10.1007/BFb0023717",
	isbn          = "3-540-54477-1",
	pages         = "33--43",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Formal Verification of Digital Circuits Using Symbolic Ternary System Models}",
	volume        = 531,
	year          = 1990,
}