1. Ackley, D. H. and Littman, M. L. (1991) Interaction between learning and evolution. In C. G. Langton et. al (eds.), Proceedings of the Second Conference on Artificial Life. Reading, MA: Addison-Wesley.
2. Beer, R. D. (1995) A dynamical systems perspective on agent-environment interaction. Artificial Intelligence, 72: 173–215.
3. Beer, R. D. (1995b) Computational and dynamical languages for autonomous agents. In R. Port and T. van Gelder (eds.), Mind as Motion. Cambridge, MA: MIT Press.
4. Beer, R. D. (1996) Toward the evolution of dynamical neural networks for minimally cognitive behavior. In P. Maes, M. Mataric, J. Meyer, J. Pollack and S. Wilson (eds.), From animals to animats 4: Proceedings of the Fourth International Conference on Simulation of Adaptive Behavior. Cambridge, MA: MIT Press.
5. Beer, R. D. and Gallagher, J. C. (1992) Evolving dynamical neural networks for adaptive behavior. Adaptive Behavior, 1: 91–122.