1. H. Asama, Trend and Perspective of Researches on Multi-Agent Robotic Systems, Journal of Robotics Society of Japan, Vol.10, No.4, 1992, pp.428–432 (in Japanese).
2. S. Yuta, Cooperative Behaviors of Multiple Autonomous Mobile Robots, Journal of Robotics Society of Japan, Vol.10, No.4, 1992, pp.433–438 (in Japanese).
3. T.Arai and J.Ota, Planning of Multiple Mobile Robots, Journal of Robotics Society of Japan, Vol.10, No.4, 1992, pp.444–449 (in Japanese).
4. H.Noborio and J.Hashime, A Feasible Collision-Free and Deadlock-Free Path-Planning Algorithm in a Certain Workspace where Multiple Robots Move Flexibly, Proc. of the 1991 IEEE International Workshop on Intelligent Robots and Systems (IROS’91), Vol.2, 1991, pp. 1074–1079.
5. H.Noborio, A Collision-Free and Deadlock-Free Path-Planning Algorithm for Multiple Mobile Robots without Mutual Communication, Proc. of the 1992 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS’92), Vol.1, 1992, pp.479–486.