1. R. D. Beer and J. C. Gallagher. Evolving dynamical neural networks for adaptive behavior. Adaptive Behavior, 1:91–122, 1992.
2. R. A. Brooks. Artificial Life and real robots. In F. J. Varela and P. Bourgine, editors, Toward a practice of autonomous systems: Proceedings of the First European Conference on Artificial Life. The MIT Press/Bradford Books, Cambridge, MA, 1992.
3. R. A. Brooks and P. Maes, editors. Artificial Life IV. Proceedings of the Fourth International Conference on Artificial Life, Cambridge, MA, 1994. MIT Press.
4. Y. Cheneval. Packlib, an interactive environment to develop modular software for data processing. In J. Mira and F. Sandoval, editors, From Natural to Artificial Neural Computation, IWANN-95, pages 673–682, Malaga, 1995. Springer Verlag.
5. D. Cliff, P. Husbands, J. A. Meyer, and S. W. Wilson, editors. From Animals to Animats: Proceedings of the Third International Conference on Simulation of Adaptive Behavior, Cambridge, MA, 1994. MIT Press/Bradford Books.