1. Simbad Simulator, http://simbad.sourceforge.net
2. Gerkey, B., Vaughan, R.T., Howard, A.: The Player/Stage Project: Tools for Multi-Robot and Distributed Sensor Systems. In: Proceedings of the 11th International Conference on Advanced Robotics (2003)
3. Koenig, N., Howard, A.: Design and Use Paradigms for Gazebo, An Open-Source Multi-Robot Simulator. In: IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Sendai, Japan (2004)
4. Webots, http://www.cyberbotics.com/
5. http://www.lri.fr/~mary/WoB