@inproceedings{PPDP-2002-NielsenPV,
	author        = "Mogens Nielsen and Catuscia Palamidessi and Frank D. Valencia",
	booktitle     = "{Proceedings of the Fourth International Conference on Principles and Practice of Declarative Programming}",
	doi           = "10.1145/571157.571173",
	pages         = "156--167",
	publisher     = "{ACM}",
	title         = "{On the expressive power of temporal concurrent constraint programming languages}",
	year          = 2002,
}