@INPROCEEDINGS{Einhorn-ICRA-2011,
  author = {Einhorn, Erik and Schroeter, {\relax Ch}ristof and Gross, Horst-Michael},
  title = {Finding the Adequate Resolution for Grid Mapping -- Cell Sizes Locally
    Adapting On-the-Fly},
  booktitle = {IEEE Int. Conf. on Robotics and Automation (ICRA)},
  year = {2011},
  pages = {1843--1848},
  publisher = {IEEE}
}