@inproceedings {iocchi07ssrr,
	author = {Iocchi, Luca and Pellegrini, Stefano and Tipaldi, Gian Diego},
	title = {{Building multi-level planar maps integrating LRF, stereo vision and IMU sensors}},
	booktitle = {Proceedings of the IEEE International Workshop on Safety, Security and Rescue Robotics (SSRR)},
	year = {2007},
	address = {Rome, Italy},
	url = {http://www.informatik.uni-freiburg.de/~tipaldi/papers/iocchi07ssrr.pdf}
}