Papers:

• "UCHILSIM: A Dynamically and Visually Realistic Simulator for the RoboCup Four Legged League" (.pdf)
  Juan Cristóbal Zagal and Javier Ruiz-del-Solar
  Submitted to: 8th International Workshop on RoboCup 2004 (Robot World Cup Soccer Games and Conferences), Lisbon, Portugal.
• "Learning to Kick the Ball Using Back to Reality" (.pdf)
  Juan Cristóbal Zagal and Javier Ruiz-del-Solar
  Submitted to: 8th International Workshop on RoboCup 2004 (Robot World Cup Soccer Games and Conferences), Lisbon, Portugal.
• "Back to Reality: Crossing the Reality Gap in Evolutionary Robotics. Part II: Experiments". (.pdf)
  Juan Cristóbal Zagal, Javier Ruiz-del-Solar and Paul Vallejos
  Submitted to IAV 2004 the 5th IFAC Symposium on Intelligent Autonomous Vehicles, Lisbon, Portugal.