S. Thrun, M. Bennewitz, W. Burgard, A.B. Cremers, F. Dellaert, D. Fox, D. Haehnel, C. Rosenberg, N. Roy, J. Schulte, and D. Schulz
MINERVA: A second generation mobile tour-guide robot.
in: Proc. of the
IEEE International Conference on Robotics and Automation (ICRA'99).