@conference {RussellR:2009,
	title = {{Particle Filtering Range Data for Pose Estimation under Torque-Free Motion}},
	booktitle = {IASTED International Conference on Robotics and Applications},
	year = {2009},
	month = {November},
	address = {Boston, MA},
	url = {http://www.stanford.edu/group/arl/cgi-bin/drupal/sites/default/files/public/publications/RussellR 2009.pdf},
	author = {Stephen P. Russell and Stephen M. Rock}
}
