R. Neßelrath. Proceedings of the 9th International Conference on Intelligent Environments (IE). International Conference on Intelligent Environments (IE-13), July 18-19, Athen, Greece, page 266-269. Washington, DC, USA, IEEE Computer Society, (2013)
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)
S. Oviatt. Human Computer Interaction Handbook: Fundamentals, Evolving Technologies, and Emerging Applications, Third Edition, chapter Multimodal interfaces, CRC Press, Inc., Boca Raton, FL, USA, (2012)
J. Schehl, A. Pfalzgraf, N. Pfleger, and J. Steigner. Proceedings of the 10th international conference on Multimodal interfaces, page 77--80. New York, NY, USA, ACM, (2008)
D. Sonntag, and M. Möller. Proceedings of the 15th international conference on Intelligent user interfaces, page 381--384. New York, NY, USA, ACM, (2010)
J. Alexandersson, and T. Becker. Proceedings of the Fifth International Workshop on Computational Semantics (IWCS-5), page 1-14. Tilburg, The Netherlands, (2003)
D. Sonntag, D. Porta, and J. Setz. Proceedings of the 4nd International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies (UBICOMM-10), page 170-175. IARIA/XPS (Xpert Publishing Services), (October 2010)
D. Porta. Informatik 2010: Service Science - Neue Perspektiven für die Informatik, Beiträge der 40. Jahrestagung der Gesellschaft für Informatik e.V. (GI), Band 1, volume 175 of LNI, page 497-502. GI, (September 2010)