2011 IEEE/RSJ International Conference on Intelligent Robots and Systems Intelligent Robots and Systems (IROS), 2011 IEEE/RSJ International Conference on. :4722-4727 Sep, 2011
2008 IEEE/RSJ International Conference on Intelligent Robots and Systems Intelligent Robots and Systems, 2008. IROS 2008. IEEE/RSJ International Conference on. :3654-3660 Sep, 2008