Sven Apel William R. Cook Krzysztof Czarnecki Christian Kästner Neil Loughran Oscar Nierstrasz Proceedings of the First International Workshop on Feature-Oriented Software Development, FOSD 2009, Denver, Colorado, USA, October 6, 2009 FOSD ACM ACM International Conference Proceeding Series 2009 db/conf/models/fosd2009.html 978-1-60558-567-3