@INPROCEEDINGS{Einhorn-ECMR-2013,
  author = {Einhorn, Erik and Gross, Horst-Michael},
  title = {Generic {2D}/{3D} {SLAM} with {NDT} Maps for Lifelong Application},
  booktitle = {Europ. Conf. on Mobile Robots (ECMR)},
  year = {2013}
}