@INPROCEEDINGS{Wilhelm-ECMR-2003,
  author = {Wilhelm, Torsten and Boehme, Hans-Joachim and Gross, Horst-Michael},
  title = {Looking Closer},
  booktitle = {Europ. Conf. on Mobile Robots (ECMR)},
  year = {2003},
  pages = {65--70},
  publisher = {Zturek Press Warschau}
}