@inproceedings{ISSTA-1993-Coen-PorisiniK,
	author        = "Alberto Coen-Porisini and Richard A. Kemmerer",
	booktitle     = "{Proceedings of the International Symposium on Software Testing and Analysis}",
	doi           = "10.1145/154183.154271",
	number        = 3,
	pages         = "128--138",
	series        = "{Software Engineering Notes}",
	title         = "{The Composability of ASTRAL Realtime Specifications}",
	volume        = 18,
	year          = 1993,
}