H.Kimura, I.Shimoyama, and H.Miura:四足動歩行ロボットの力学的解析
Journal of the Robotics Society of Japan, Vol. 6, No. 5, pp.367-379, 1988 (in Japanese).
H.Kimura, I.Shimoyama and H.Miura:Dynamics in the dynamic walk of a quadruped robot
Advanced Robotics, Vol. 4, No. 3, pp. 283-301, 1990.