Retrieved 2014-07-12. ↑ Humanoid Robots Lab http://hrl.informatik.uni-freiburg.de/ ↑ G.T. Jay, Post to ros-users mailing list announcing ROS support for the Nao ↑ "Specification". Unbounded Robotics. Retrieved 2014-07-12. ↑ Ackerman, Evan (2013-10-21).