1. S. Thrun, M. Bennewitz, W. Burgard, A. B. Cremers, F. Dellaert, and D. Fox. “MINERVA: A second-generation museum tour-guide robot,” Proc. of Int. Conf. on Robot. and Autom., pp. 1999–2005, 1999.
2. R. Simmons, J. Fernandez, R. Goodwin, S. Koenig, and J. O’sullivan, “Xavier: an autonomous mobile robot on the web,” Robotics and Automation Magazine, 1999.
3. R. Simmons and S. Koenig, “Probabilistic robot navigation in partially observable environments,” Proc. of the Int. Joint Conference on Artificial Intelligence, pp. 1080–1087, 1995.
4. R. Bischoff and V. Graefe, “HERMES — a versatile personal robotic assistant,” Proc. of the IEEE, vol. 92, no. 11, pp. 1759–1779, 2004.
5. N. Y. Ko and R. Simmons, “The lane-curvature method for local obstacle avoidance,” Proc. of Int. Conf. on Intelligent Robots and Systems, pp. 1615–1621, 1998.