@INPROCEEDINGS{Boehme-EUROBOT-2001,
  author = {Boehme, Hans-Joachim and Wilhelm, Torsten and Key, Juergen and Schroeter,
    {\relax Ch}ristof and Gross, Horst-Michael and Hempel, Torsten},
  title = {An Approach to Multimodal Human-Machine Interaction for Intelligent
    Service Robots},
  booktitle = {Europ. Workshop on Advanced Mobile Robots (Eurobot)},
  year = {2001},
  pages = {17--24},
  volume = {86},
  publisher = {Lund University Cognitive Studies}
}