@inproceedings{MODELS-2008-Ramos,
	author        = "Pedro Nogueira Ramos",
	booktitle     = "{Proceedings of the 11th International Conference on Model Driven Engineering Languages and Systems}",
	doi           = "10.1007/978-3-540-87875-9_33",
	editor        = "Krzysztof Czarnecki and Ileana Ober and Jean-Michel Bruel and Axel Uhl and Markus Völter",
	isbn          = "978-3-540-87874-2",
	pages         = "460--474",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Contrary-to-Duties Constraints: From UML to Relational Model}",
	volume        = 5301,
	year          = 2008,
}