@conference {burgard09comparison,
	title = {A Comparison of SLAM Algorithms Based on a Graph of Relations},
	booktitle = {Proceedings of IEEE/RSJ Conference on Robots and Systems (IROS)},
	year = {2009},
	author = {Wolfram Burgard and Cyrill Stachniss and Giorgio Grisetti and Bastian Steder and Rainer Kuemmerle and Christian Dornhege and Michael Ruhnke and Alexander Kleiner and Juan D. Tardos}
}
@conference {grisetti08online,
	title = {Online Constraint Network Optimization for Efficient Maximum Likelihood Mapping},
	booktitle = {Proceedings of International Conference on Robotics and Automation ({ICRA})},
	year = {2008},
	pages = {1880{\textendash}1885},
	doi = {10.1109/ROBOT.2008.4543481},
	author = {Giorgio Grisetti and Dario Lodi Rizzini and Cyrill Stachniss and Edwin Olson and Wolfram Burgard}
}
@conference {Tipaldi07covariance,
	title = {Approximated Covariance Estimation in Graphical Approaches to SLAM},
	year = {2007},
	author = {Gian Diego Tipaldi and Giorgio Grisetti and Wolfram Burgard}
}
@conference { Tipaldi07covariance,
	title = {Approximated Covariance Estimation in Graphical Approaches to SLAM},
	year = {2007},
	author = {Gian Diego Tipaldi and G. Grisetti and Wolfram Burgard}
}
@conference {icra06slam,
	title = {Speeding Up Rao Blackwellized SLAM},
	booktitle = {ICRA},
	year = {2006},
	pages = {442{\textendash}447},
	address = {Orlando, FL, USA},
	author = {Giorgio Grisetti and Gian D. Tipaldi and Cyrill Stachniss and Wolfram Burgard and Daniele Nardi}
}
