@conference {221,
	title = {Evolution of the Linux Kernel Variability Model},
	booktitle = {Software Product Line Conference},
	year = {2010},
	month = {09/2010},
	attachments = {http://gsd.uwaterloo.ca/sites/default/files/splc-2010-fm-evol.pdf , http://gsd.uwaterloo.ca/sites/default/files/evolution-lkvm_0.pdf},
	author = {Lotufo, Rafael and She, Steven and Thorsten Berger and W{\k a}sowski, Andrzej and Krzysztof Czarnecki}
}