1. A control strategy for stable passive running;Ahmadi,1995
2. Three uses for springs in legged locomotion;McN. Alexander;International Journal of Robotics Research,1990
3. Theory and Practice of Engineering with Rubber;Freakley,1978
4. Experiments with an electrically actuated planar hopping robot;Gregorio,1994
5. Rotary-to-linear and linear-to-rotary motion converters;Jacobsen,1975