1. Anzai, Y. (1994). Human-robot-computer interaction: a new paradigm of research in robotics. Advanced Robotics, Vol. 8, No. 4, 357–369.
2. Shibata, S., Tanaka, K., and Shimizu, A. (1995). Mechanical impedance characteristics of robots for coexistence with humans. In Proceedings of the IEEE International Workshop on Robot and Human Communication, Tokyo, Japan, July 1995, 59–64.
3. Ikeura, R., Monden, H., and Inooka, H. (1994). Cooperative motion control of a robot and a human. In Proceedings of the IEEE International Workshop on Robot and Human Communication, Nagoya, Japan, July 1994, 112–117.
4. Fukuda, T., Ueyama, T., and Arai, F. (1992). Control strategies for cellular robotic network. In Levis, A. H. and Stephanou, H. E. (Eds.) Distributed Intelligence Systems. Pergamon Press, Oxford, 177–182.
5. Asama, H., Ozaki, K., Ishida, Y., Yokota, K., Matsumoto, A., Kaetsu, H., and Endo, I. (1994). Collaborative team organization using communication in a decentralized robotic system. In Proceedings of the IEEE/RSJInternational Conference on Intelligent Robots and Systems, 816–823.