1. Special Issue: Robotics for Aging Society. Review of Transfer System for the Handicapped.
2. (2) Okazaki, T., Nagasawa, T. and Takahashi, T., Intellectualization of the Nursing Aid Robot-about an Open Prolog Subsystem-, Proc. 25th Conf.. Jpn Soc. ME&BE, (in Japanese), (1986), p.443.
3. (3) Tejima, N., Development of a Simple Device for Transfer Aid, Proc. Conf. JSPE '98, (in Japanese), (1998), p.612.
4. Wearable Human-Assisting System for Nursing Use. 1st Report. Concepts, Design of System and Development of a Prototype.
5. (5) Yamamoto, K., Miyanishi, H. and Imai, M., Development of Pneumatic Actuator for Powered Arm, Proc. JHPS Autumn Meeting, (in Japanese), (1991), pp.85-88.