Short works
- How to Evolve Autonomous Robots: Different Approaches in Evolutionary Robotics. 1994. (In Artificial Life IV )
- Artificial Life: A New Way to Build Educational and Therapeutic Games. 1996. (In Artificial Life V )
- Replicating Experiments in "Detour Behavior" with Artificially Evolved Robots: An A-Life Approach to Comparative Psychology. 1999. (In Advances in Artificial Life, ECAL'99 )