1. [1] R. Pfeifer and C. Scheier: Understanding Intelligence, MIT Press (1999)
2. [2] S. Nolfi and D. Floreano: Evolutionary Robotics: The Biology, Intelligence, and Technology of Self-Organizing Machines, MIT Press (2000)
3. [3] R. A. Watson, S. G. Ficici and J. B. Pollack: Embodied evolution: Embodying an evolutionary algorithm in a population of robots; Proceedings of Congress on Evolutionary Computation, pp. 335-342 (1999)
4. [4] N. Jakobi: Half-baked ad-hoc and noisy: Minimal simulation for evolutionary robotics; Proceedings of the Fourth European Conference on Artificial Life, pp. 348-357 (1997)
5. [5] R. A. Brooks: Artificial life and real robots; Proceedings of the First European Conference on Artificial Life, pp. 3-10 (1992)