04. Conference Papers
Wenger, J., & Haller J. B. A. (2010).  How to Design Prizes – Incentives in Innovation Contests. (Faehnrich, K-P., & Franczyk B., Ed.).Service Science – Neue Perspektiven für die Informatik. Lecture Notes in Informatics (LNI) - Proceedings, Series of the Gesellschaft für Informatik, Volume P-175. 961–966.