@inproceedings{SEKE-2008-AlferezKSSMAA,
	author        = "Mauricio Alférez and Uirá Kulesza and André Sousa and João Pedro Santos and Ana M. D. Moreira and João Araújo and Vasco Amaral",
	booktitle     = "{Proceedings of the 20th International Conference on Software Engineering and Knowledge Engineering}",
	isbn          = "1-891706-22-5",
	pages         = "779--784",
	publisher     = "{Knowledge Systems Institute Graduate School}",
	title         = "{A Model-driven Approach for Software Product Lines Requirements Engineering}",
	year          = 2008,
}