@conference {vonrhein2015presencecondition,
	title = {Presence-Condition Simplification in Highly Configurable Systems},
	booktitle = {37th International Conference on Software Engineering (ICSE)},
	year = {2015},
	author = {von Rhein, Alexander and Grebhahn, Alexander and Apel, Sven and Siegmund, Norbert and Beyer, Dirk and Thorsten Berger}
}