1. Peter J. Angeline and Jordan B. Pollack. Competitive Environments Evolve Better Solutions for Complex Tasks. In Stephanie Forrest, editor, Genetic Algorithm: Proceedings of the Fifth International Conference (GA93), 1993.
2. Alan D. Blair, Mark Land, and Jordan B. Pollack. Coevolution of a backgammon player. In Proceedings of the Fifth Artificial Life Conference, 1996.
3. R. Brooks. Artificial life and real robots. In European Conference on Artificial Life, pages 3–10, 1992.
4. Dave Cliff and Geoffrey F. Miller. Tracking the red queen: Measurements of adaptive progress in co-evolutionary simulations. In F. Morán, A. Moreno, J. J. Merelo, and P. Chacón, editors, Proceedings of the Third European Conference on Artificial Life: Advances in Artificial Life, volume 929 of LNAI, pages 200–218, Berlin, June 1995. Springer Verlag.
5. Dave Cliff and George Miller. Co-evolution of Pursuit and Evasion II: Simulation Methods and Results. In Maes, P., Matarić, M., Meyer, J.-A., Pollack, J., and Wilson, S. W., editors, From Animals to Animats 4: Proceedings of the fourth Internation Conference on Simulation of Adaptive Behavior (SAB96). MIT Press Bradford Books, 1996.