@inproceedings{REFSQ-2007-GuelfiP,
	author        = "Nicolas Guelfi and Gilles Perrouin",
	booktitle     = "{Proceedings of the 13th International Working Conference on Requirements Engineering: Foundation for Software Quality}",
	doi           = "10.1007/978-3-540-73031-6_6",
	isbn          = "978-3-540-73030-9",
	pages         = "78--92",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Flexible Requirements Analysis Approach for Software Product Lines}",
	volume        = 4542,
	year          = 2007,
}