@inproceedings{ICEIS-v2-2001-ToffolonD,
	author        = "Claudine Toffolon and Salem Dakhli",
	booktitle     = "{Proceedings of the Third International Conference on Enterprise Information Systems, Volume 2}",
	pages         = "645--650",
	title         = "{A Contract-Based Theory of Information Systems}",
	year          = 2001,
}