M. Burmester, R. Graf, J. Hellbrück, and A. Meroth. Infotainmentsysteme im Kraftfahrzeug, chapter 8, page 321--351. Friedrich Vieweg & Sohn Verlag, Vieweg Praxiswissen edition, (2008)
M. Jeon, B. Davison, M. Nees, J. Wilson, and B. Walker. AutomotiveUI '09: Proceedings of the 1st International Conference on Automotive User Interfaces and Interactive Vehicular Applications, page 91--98. New York, NY, USA, ACM, (2009)