@inproceedings{endres14iros,
  title =   {Catadioptric Extension for RGB-D Cameras}, 
  author =  {F. Endres and C. Sprunk and R. Kuemmerle and W. Burgard},
  booktitle = {Proc.~of the IEEE/RSJ Int.~Conf.~on Intelligent Robots and Systems (IROS)},
  year =    {2014},
  address = {Chicago, USA}
}