@inproceedings{RE-2007-MetzgerHPSS,
	author        = "Andreas Metzger and Patrick Heymans and Klaus Pohl and Pierre-Yves Schobbens and Germain Saval",
	booktitle     = "{Proceedings of the 15th International Requirements Engineering Conference}",
	doi           = "10.1109/RE.2007.61",
	isbn          = "0-7695-2935-6",
	pages         = "243--253",
	publisher     = "{IEEE Computer Society}",
	title         = "{Disambiguating the Documentation of Variability in Software Product Lines: A Separation of Concerns, Formalization and Automated Analysis}",
	year          = 2007,
}