@inproceedings{FME-1997-Stringer-CalvertSW,
	author        = "David W. J. Stringer-Calvert and Susan Stepney and Ian Wand",
	booktitle     = "{Proceedings of the Fourth International Symposium of Formal Methods Europe: Industrial Applications and Strengthened Foundations of Formal Methods}",
	doi           = "10.1007/3-540-63533-5_30",
	isbn          = "3-540-63533-5",
	pages         = "573--588",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Using PVS to Prove a Z Refinement: A Case Study}",
	volume        = 1313,
	year          = 1997,
}