@article {465,
	title = {Variability Modeling in the Systems Software Domain},
	year = {2012},
	note = {Superseded by: <ibib>558</ibib>},
	institution = {Generative Software Development Laboratory, University of Waterloo},
	type = {Technical Report},
	issn = {GSDLAB-TR 2012-07-06, Version 2},
	attachments = {http://gsd.uwaterloo.ca/sites/default/files/vm-2012-berger.pdf},
	author = {Thorsten Berger and She, Steven and Lotufo, Rafael and W{\k a}sowski, Andrzej and Krzysztof Czarnecki}
}