@INPROCEEDINGS{Mueller-IWK-2007,
  author = {Mueller, {\relax St}effen and Scheidig, Andrea and Ober, Antje and
    Gross, Horst-Michael},
  title = {Making Mobile Robots Smarter by Probabilistic User Modeling and Tracking},
  booktitle = {Int. Scientific Colloquium Ilmenau (IWK)},
  year = {2007},
  pages = {451--456},
  volume = {1},
  publisher = {Universitaetsverlag}
}