@article{SchifferFerreinLakemeyer2011,
  author    = {Stefan Schiffer and Alexander Ferrein and Gerhard Lakemeyer},
  title     = {Proceedings of the Fourth International Conference on Intelligent Robotics and Applications (ICIRA 2011)},
  journal   = {Proceedings of the Fourth International Conference on Intelligent Robotics and Applications (ICIRA 2011)},
  pages     = {1 -- 10},
  year      = {2011},
}