@inproceedings{FME-1994-DukeH,
	author        = "David J. Duke and Michael D. Harrison",
	booktitle     = "{Proceedings of the Second International Symposium of Formal Methods Europe: Industrial Benefit of Formal Methods}",
	doi           = "10.1007/3-540-58555-9_100",
	isbn          = "3-540-58555-9",
	pages         = "271--290",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Theory of Presentations}",
	volume        = 873,
	year          = 1994,
}