@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} }