@inproceedings{SPLC-2004-NorthropC,
	author        = "Linda M. Northrop and Paul C. Clements",
	booktitle     = "{Proceedings of the Third International Software Product Line Conference}",
	doi           = "10.1007/978-3-540-28630-1_34",
	isbn          = "3-540-22918-3",
	pages         = "322",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{An Introduction to Software Product Lines}",
	volume        = 3154,
	year          = 2004,
}