@conference {berger2014topological,
	title = {To Connect or Not to Connect: Experiences from Modeling Topological Variability},
	booktitle = {18th International Software Product Line Conference (SPLC)},
	year = {2014},
	attachments = {http://gsd.uwaterloo.ca/sites/default/files/2014-splc-autronica.pdf},
	author = {Thorsten Berger and Stanciulescu, Stefan and Ogaard, Ommund and Haugen, Oystein and Larsen, Bo and W{\k a}sowski, Andrzej}
}