@conference {stachniss05icra,
	title = {Recovering Particle Diversity in a Rao-Blackwellized Particle Filter for SLAM After Actively Closing Loops},
	booktitle = {Proceedings of the IEEE International Conference on Robotics \& Automation (ICRA)},
	year = {2005},
	author = {C. Stachniss and G. Grisetti and W. Burgard}
}
