Blessing, A. M., & Kortenkamp U.  (2010).  VideoClipQuests as a New Setup For Learning.  (Spector, M. J., Ifenthaler D., Isaías P., Kinshuk, & Sampson D. G., Ed.).Learning and Instruction in the Digital Age: Making a Difference through Cognitive Approaches, Technology-facilitated Collaboration and Assessment, and Personalized Communications.  

Blessing, A., & Kortenkamp U.  (2008).  VideoClipQuests as a New Setup For Learning.  (Kinshuk, Sampson D. G., Spector M. J., Isaías P., & Ifenthaler D., Ed.).Proceedings of the IADIS International Conference on Cognition and Exploratory Learning in Digital Age (CELDA 2008).  343?346.

Brehm, E., & Kortenkamp U.  (2004).  Advanced Teaching of Geometry with Interactive Tools.  (Nagaoka, R., Ishi H., & Hitzer E., Ed.).Proceedings of RIMS-Workshop ITMga 2003.