1. Gerkey, B., Vaughan, R., Howard, A.: The Player/Stage Project: Tools for Multi-Robot and Distributed Sensor Systems. In: 11th International Conference on Advanced Robotics (ICAR 2003), Coimbra, Portugal, pp. 317–323 (2003)
2. Gazebo, http://playerstage.sourceforge.net/index.php?src=gazebo
3. Microsoft Robotics Studio, http://msdn.microsoft.com/robotics
4. The Player Project, http://playerstage.sourceforge.net/wiki/Main/_Page
5. USARSim, http://sourceforge.net/projects/usarsim/