@INPROCEEDINGS{Gross-IROS-2003,
  author = {Gross, Horst-Michael and Koenig, Alexander and Schroeter, {\relax
    Ch}ristof and Boehme, Hans-Joachim},
  title = {Omnivision-Based Probabilistic Self-Localization for a Mobile Shopping
    Assistant Continued},
  booktitle = {IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS)},
  year = {2003},
  pages = {1505--1511},
  publisher = {IEEE}
}