1. Raibert M H. Legged Robots That Balance. The MIT Press, Cambridge, Massachusetts, USA, 1986.
2. Raibert M, Chepponis M, Jr Brown H. Running on four legs as though they were one. IEEE Journal of Robotics and Automation, 1986, 2, 70–82.
3. Raibert M H. Running with symmetry. The International Journal of Robotics Research, 1986, 5, 3–19.
4. Poulakakis I, Smith J A, Buehler M. Experimentally validated bounding models for the Scout II quadrupedal robot. IEEE International Conference on Robotics and Automation, New Orleans, USA, 2004, 2595–2600.
5. Cherouvim N, Papadopoulos E. Pitch control for running quadrupeds using leg positioning in flight. IEEE Mediterranean Conference on Control and Automation, Athens, Greece, 2007, 1–6.