H. Bosch, D. Thom, G. Heinze, S. Wokusch, and T. Ertl. The 5th International Conference on Advances in Human-oriented and Personalized Mechanisms, Technologies, and Services (CENTRIC 2012), IARIA, (2012)
B. Schmitz, A. Györkös, and T. Ertl. Computers Helping People with Special Needs. 12th International Conference, ICCHP 2010, Proceedings, 7383, Springer, (2012)