@inproceedings{ESEC-1993-GhezziFB,
	author        = "Carlo Ghezzi and Miguel Felder and Carlo Bellettini",
	booktitle     = "{Proceedings of the Fourth European Software Engineering Conference}",
	doi           = "10.1007/3-540-57209-0_3",
	editor        = "Ian Sommerville and Manfred Paul",
	isbn          = "3-540-57209-0",
	pages         = "11--36",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Real-Time Systems: A Survey of Approaches to Formal Specification and Verification}",
	volume        = 717,
	year          = 1993,
}