M. Phillips, J. Nguyen, and A. Mischke. Advances in Speech Recognition: Mobile Environments, Call Centers and Clinics, chapter 3, Springer, New York, (2010)
L. Abele, L. Ollinger, I. Heck, and M. Kleinsteuber. Trends in Intelligent Robotics, Automation, and Manufacturing: First International Conference, IRAM 2012, Kuala Lumpur, Malaysia, 330, Springer, Heidelberg, (2012)
D. Sonntag, N. Reithinger, G. Herzog, and T. Becker. Spoken Dialogue Systems for Ambient Environments: Second International Workshop, IWSDS 2010, Gotemba, Shizuoka, Japan, volume 6392 of Lecture Notes in Artificial Intelligence, Springer, Berlin, (2010)
M. Calisti, S. van der Meer, and J. Strassner (Eds.) Whitestein Series in Software Agent Technologies and Autonomic Computing Birkhäuser, Basel, (2008)