M. Sutterer, O. Drögehorn, and K. David. Proceedings of the 2007 Workshop on Middleware for Next-generation Converged Networks and Applications, page 1-6. New York, NY, USA, ACM, (2007)
R. Klendauer, A. Hoffmann, J. Leimeister, M. Berkovich, and H. Krcmar. 5th International Workshop on Co-operative and Human Aspects of Software Engineering (CHASE), ICSE 2012 Workshop, page 66-72. Zurich, Switzerland, (2012)332.
J. Hilder, and A. Tyrrell. Late breaking paper at Genetic and Evolutionary
Computation Conference (GECCO'2007), page 2483--2488. London, United Kingdom, ACM Press, (7-11 July 2007)