1. Kato, I. 1973. Development of WABOT-1. Biomechanism 2, 173–214. Tokyo: The University of Tokyo Press.
2. Waseda. 2012. Humanoid History -WABOT. 2012, humanoid Robotics Institute, Waseda University.
3. Sugano, S., and I. Kato. 1987. WABOT-2: Autonomous Robot with Dexterous Finger-arm–Finger-arm Coordination Control in Keyboard Performance. In IEEE International Conference on Robotics and Automation, vol. 4, 90–97.
4. Konno, A., K. Nagashima, R. Furukawa, K. Nishiwaki, T. Noda, M. Inaba, and H. Inoue. 1997. Development of a Humanoid Robot Saika. In IEEE-RSJ International Conference on Intelligent Robots and Systems, vol. 2, 805–810.
5. Yamaguchi, J., S. Inoue, D. Nishino, and A. Takanishi. 1998. Development of a Bipedal Humanoid Robot Having Antagonistic Driven Joints and Three DOF Trunk. In IEEE-RSJ International Conference on Intelligent Robots and Systems, vol. 1, 96–101.