@INPROCEEDINGS{Schroeter-SMC-2004,
  author = {Schroeter, {\relax Ch}ristof and Boehme, Hans-Joachim and Gross,
    Horst-Michael},
  title = {Robust Map Building for an Autonomous Robot Using Low-Cost Sensors},
  booktitle = {IEEE Int. Conf. on Systems, Man, and Cybernetics (SMC)},
  year = {2004},
  pages = {5398--5403},
  publisher = {IEEE}
}