@inproceedings{SPLC-2013-KruegerC,
	author        = "Charles W. Krueger and Paul C. Clements",
	booktitle     = "{Proceedings of the 17th International Software Product Line Conference}",
	doi           = "10.1145/2491627.2493905",
	isbn          = "978-1-4503-1968-3",
	pages         = "283--284",
	publisher     = "{ACM}",
	title         = "{Second generation systems and software product line engineering}",
	year          = 2013,
}