1. S. Thrun, “Robotic mapping: A survey,” Exploring Artificial Intelligence in the New Millenium, G. Lakemeyer and B. Nebel, editors, Morgan Kaufmann, 2002.
2. A. Elfes, Occupancy Grids: A Probabilistic Frameork for Robot Perception and Navigation, Ph.D. Dissertation, Department of Electrical and Computer Engineering, Carnegie Mellon University, 1989.
3. I. J. Cox and J. J. Leonard, “Modeling a dynamic environment using a bayesian multiple hypothesis approach,” Artificial Intelligence, vol. 66, pp. 311–344, 1994.
4. F. Lu and E. Millos, “Robot pose estimation in unknown environments by matching 2D range scans,” Proc. IEEE Conf. Computer Vision and Pattern Recognition, pp. 935–938, 1994.
5. D. Kortenkamp and T. Weymonth, “Topological mapping for mobile robots using a combination of sonar and vision sensing,” Proc. of 12th National Conference on Artificial Intelligence, pp. 979–984, 1994.