Sebastian Oster, Florian Markert, Andy Schürr, Werner Müller. Integrated Modeling of Software Product Lines with Feature Models and Classification Trees. In Goetz Botterweck, Iris Groher, Andreas Polzer, Christa Schwanninger, Steffen Thiel, Markus Voelter, editors, Proceedings of the 1st International Workshop on Model-driven Approaches in Software Product Line Engineering (MAPLE 2009), collocated with the 13th International Software Product Line Conference (SPLC 2009), San Francisco, USA, August 24, 2009. Volume 557 of CEUR Workshop Proceedings, CEUR-WS.org, 2009. [doi]