ASADA, M. Action learning, growth and evolution of robot. 2002
KIMURA, H. Reinforcement learning using stochastic gradient algorithm and its application to robots. Trans. IEE Japan, C. 1999, 119-C, 8, 931-934
PFEIFER, R. On the role of morphology and materials in adaptive behavior. Proc. 6^<th> Int. Conf. On Simulation of Adaptive Behavior, 2000. 2000, 23-32