3) H. Miura and I. Shimoyama: Dynamic Walk of Biped, Int. J. of Robotics Research, 3-2, 60/74 (1984)
4) J. Furusho and M. Masubuchi: Control of a Dynamical Biped Locomotion System for Steady Walking, Trans. ASME, Journal of Dynamic Systems, Measurement and Control, 108-2, 111/118 (1986)