@inproceedings{CAV-1990-CarringtonR,
	author        = "David A. Carrington and K. A. Robinson",
	booktitle     = "{Proceedings of the Second International Workshop on Computer Aided Verification}",
	doi           = "10.1007/BFb0023745",
	isbn          = "3-540-54477-1",
	pages         = "312--321",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Computer Assistance for Program Refinement}",
	volume        = 531,
	year          = 1990,
}