1. R.D. Beer and J.C. Gallagher. Evolving dynamic neural networks for adaptive behavior. Adaptive Behavior, 1(1):91–122, July 1992.
2. R. Brooks. Artificial life and real robots. In F. J. Varela and P. Bourgine, editors, Proceedings of the First European Conference on Artificial Life, pages 3–10, Cambridge, MA, 1992. MIT Press/Bradford Books.
3. D. Cliff, I. Harvey, and P. Husbands. Explorations in evolutionary robotics. Adaptive Behavior, 2(1):73–110, July 1993.
4. Jonalthan H. Connell and Sridhar Mahadevan. Robot Learning. Kluwer International Series in Engineering and Computer Science. Kluwer Academic Publisher, 1993.
5. D.E. Goldberg. Genetic Algorithms in search, optimization and machine learning. Addison Wesley, 1989.