Christian Kästner, Sven Apel, Syed Saif ur Rahman, Marko Rosenmüller, Don S. Batory, Gunter Saake. On the impact of the optional feature problem: analysis and case studies. In Dirk Muthig, John D. McGregor, editors, Software Product Lines, 13th International Conference, SPLC 2009, San Francisco, California, USA, August 24-28, 2009, Proceedings. Volume 446 of ACM International Conference Proceeding Series, pages 181-190, ACM, 2009. [doi]
Abstract is missing.