@article {558,
	title = {A Study of Variability Models and Languages in the Systems Software Domain},
	journal = {IEEE Transactions on Software Engineering},
	volume = {39},
	number = {12},
	year = {2013},
	month = {Dec},
	pages = {1611-1640},
	keywords = {Analytical models, associated language tools, Biological system modeling, CDL language, Computational modeling, Computer architecture, configuration, Empirical software engineering, feature dependency checkers, feature modeling, FODA, interactive product configurators, Kconfig language, language constructs, language semantics, language usage, open source, open-source projects, Product line, public domain software, Semantics, simulation languages, software engineering, software product lines, Software products, software projects, systems software domain, variability analysis techniques, variability modeling, variability modeling languages, variability models},
	issn = {0098-5589},
	doi = {10.1109/TSE.2013.34},
	attachments = {http://gsd.uwaterloo.ca/sites/default/files/vm-2013-berger.pdf},
	author = {Thorsten Berger and She, Steven and Lotufo, Rafael and W{\k a}sowski, Andrzej and Krzysztof Czarnecki}
}