@inproceedings{ICLP-2003-Valencia,
	author        = "Frank D. Valencia",
	booktitle     = "{Proceedings of the 19th International Conference on Logic Programming}",
	doi           = "10.1007/978-3-540-24599-5_6",
	isbn          = "3-540-20642-6",
	pages         = "72--101",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Concurrency, Time, and Constraints}",
	volume        = 2916,
	year          = 2003,
}