M. Pucher, F. Neubarth, and D. Schabus. Proceedings of the 12th international conference on Computers helping people with special needs (ICCHP), page 361-366. Vienna, Austria, (July 2010)
D. Beßler, M. Pomarlan, and M. Beetz. Proceedings of the 17th International Conference on Autonomous Agents and MultiAgent Systems, page 1684–1692. Richland, SC, International Foundation for Autonomous Agents and Multiagent Systems, (2018)
M. Sielemann, T. Giese, B. Öhler, and M. Otter. Proceedings of the First CEAS European Air and Space Conference, Bonn, Deutsche Gesellschaft für Luft- und Raumfahrt - Lilienthal-Oberth e.V., (2007)
R. Neßelrath, and M. Feld. Adjunct Proceedings of the 5th International Conference on Automotive User Interfaces and Interactive Vehicular Applications, Eindhoven, page 49-52. (October 2013)