1. Debao Zhou, Low, K.H., Zielinska,T. (2000) An efficient foot-force distribution algorithm for quadruped walking robot. Robotica, 18, 403–413.
2. Hirose S. (1984) A study od design and control of a quadruped walking wehicle. Int. J.of Robotics Research, 3 (2), 113–133.
3. Naua, P., and Waldron, K.J. (1995). Energy comparision between trot, bound, and gallop using a simple model. Transactions ofASME, vol. 117, 466–473.
4. Pfeiffer, F., Eltze, J. and Weidemann, H.J. (1995). Six-Legged Technical walking considering biological principles. Robotics and Autonomous Systems, no. 14, 223–232.
5. Shaoping Bai, Low, K.H. and Zielinska, T., (1999) Quadruped free gait generation for straight-line and circular trajectories. Advanced Robotics, 13, 513–538.