M. Moniri, and C. Müller. Adjunct Proceedings of the 6th International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI '14), Seattle, WA, USA, page 256--261. New York, ACM, (2014)
C. Endres, T. Schwartz, and C. Müller. Proceedings of IUI '11: 16th International Conference on Intelligent User Interfaces, Palo Alto, CA, USA, page 327-330. (2011)