D. Porta, D. Sonntag, and R. Neßelrath. Proceedings of the 4th Workshop on Speech in Mobile and Pervasive Environments in conjunction with MobileHCI '09. SiMPE-09, September 15, Bonn, Germany, (2009)Multimodal Interaction, Mobile Business Services, Usability, User Experience, Productivity.
R. Schaefer, S. Bleul, and W. Mueller. Task Models and Diagrams for Users Interface Design, volume 4385 of Lecture Notes in Computer Science, chapter 4, Springer-Verlag, Berlin/Heidelberg, (2007)
J. Van den Bergh, and K. Coninx. Proceedings of the 6th international conference on Task models and diagrams for user interface design, page 98--111. Berlin/Heidelberg, Springer-Verlag, (2007)
S. Römer, J. Mayer, F. Schweiggert, M. Maier, and T. Vollmer. Proceedings of the 25th conference on IASTED International Multi-Conference: Software Engineering, page 183--191. Anaheim, CA, USA, ACTA Press, (2007)
M. Book, V. Gruhn, and M. Lehmann. Proceedings of the 6th international conference on Web engineering, page 209--216. Palo Alto, California, USA, ACM, (2006)