M. Moniri, и C. Müller. Adjunct Proceedings of the 6th International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI '14), Seattle, WA, USA, стр. 256--261. New York, ACM, (2014)
D. Cram, A. Kröner, и A. Mille. Workshops Proceedings of the 5th International Conference on Intelligent Environments, том 4 из Ambient Intelligence and Smart Environments, стр. 45--50. Amsterdam, IOS Press, (2009)