X. Liu, M. Azmoodeh, and N. Georgalas. Fifth International Workshop on Software Quality, 2007. WoSQ'07: ICSE Workshops 2007, page 7--7. IEEE, (May 2007)
S. Lindstaedt, G. Beham, B. Kump, and T. Ley. Learning in the Synergy of Multiple Disciplines, Proceedings of the EC-TEL 2009, volume 5794 of Lecture Notes in Computer Science, Berlin/Heidelberg, Springer, (October 2009)