@inproceedings{CAV-1991-MauwV,
	author        = "Sjouke Mauw and Gert J. Veltink",
	booktitle     = "{Proceedings of the Third International Workshop on Computer Aided Verification}",
	doi           = "10.1007/3-540-55179-4_16",
	isbn          = "3-540-55179-4",
	pages         = "158--168",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Proof Assistant for PSF}",
	volume        = 575,
	year          = 1991,
}