1. Eriksson B. A survey on dynamic locomotion control strategies for legged vehicles. Technical Report, Royal Institute of Technology, Sweden, 1998.
2. Pratt J. Virtual model control of a biped walking robot. Master’s thesis, Massachusetts Institute of Technology, 1995.
3. Regular and chaotic motions in applied dynamics of a rigid body;Beletsky,1996
4. Nonlinear effects in dynamics of controlled two-legged walking. Nonlinear dynamics in engineering systems;Beletsky,1990
5. An adaptive method for the approximation of the generalized cell mapping;Guder;Chaos, Solitons & Fractals,1997