@inproceedings{SPLC-2013-ZhangBPSS,
	author        = "Bo Zhang and Martin Becker and Thomas Patzke and Krzysztof Sierszecki and Juha Erik Savolainen",
	booktitle     = "{Proceedings of the 17th International Software Product Line Conference}",
	doi           = "10.1145/2491627.2491645",
	isbn          = "978-1-4503-1968-3",
	pages         = "168--177",
	publisher     = "{ACM}",
	title         = "{Variability evolution and erosion in industrial product lines: a case study}",
	year          = 2013,
}