A study on optimal motion of a biped locomotion machine. - Katsuyoshi Tsujita; Kazuo Tsuchiya; Yousuke Kawano (Artif. Life Robotics, 1999)

Force Control of a Space Manipulator. - Katsuyoshi Tsujita; Kazuo Tsuchiya; Yousuke Kawano (J. Robotics Mechatronics, 2000)