@inproceedings{IWPTS-1993-Tretmans,
	author        = "Jan Tretmans",
	booktitle     = "{Proceedings of the Sixth International Workshop on Protocol Test Systems}",
	isbn          = "0-444-81697-6",
	pages         = "257--276",
	publisher     = "{North-Holland}",
	series        = "{IFIP Transactions}",
	title         = "{A Formal Approach to Conformance Testing}",
	volume        = "C-19",
	year          = 1993,
}