1. (1) International Organization for Standardization: http://www.iso.org/iso/home.html
2. (2) H. Murayama, N. Takesue, K. Matsumoto, H. Konosu, and H. Fujimoto: “Development of a Car Window Installation Assist Robot”, Journal of the Robotics Society of Japan, Vol. 28, No. 5, pp. 624-630 (2010) (in Japanese)
3. (3) N. Takesue, S. Nobata, and H. Fujimoto: “Admittance Control Method Achieving Steady Contact”, Journal of the Robotics Society of Japan, Vol. 26, No. 6, pp. 635-642 (2008) (in Japanese)
4. (4) M. Hamaguchi and T. Taniguchi: “Cooperative Transporting Control for Two Redundant Manipulators and One Human (A Method of Obstacle Avoidance Utilizing Kinematic Redundancy)”, Transactions of the JSME Series C, Vol. 79, No. 808, pp. 4734-4757 (2013) (in Japanese)
5. (5) Y. Hirata, T. Hatsukari, K. Kosuge, H. Asama, H. Kaetsu, and K. Kawabata: “Transportation of an Object by Multiple Distributed Robot Helpers in Cooperation with a Human”, Transactions of the JSME Series C, Vol. 68, No. 668, pp. 181-188 (2002) (in Japanese)