2009 IEEE International Conference on Robotics and Automation Robotics and Automation, 2009. ICRA '09. IEEE International Conference on. :1603-1604 May, 2009
2008 IEEE/RSJ International Conference on Intelligent Robots and Systems Intelligent Robots and Systems, 2008. IROS 2008. IEEE/RSJ International Conference on. :2422-2428 Sep, 2008