@inproceedings{FM-2006-OliveiraR,
	author        = "José Nuno Oliveira and César Jesus Rodrigues",
	booktitle     = "{Proceedings of the 14th International Symposium of Formal Methods}",
	doi           = "10.1007/11813040_17",
	isbn          = "3-540-37215-6",
	pages         = "236--251",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Pointfree Factorization of Operation Refinement}",
	volume        = 4085,
	year          = 2006,
}