Retrieved 2014-07-12. ↑ "A new www.ros.org - ROS robotics news". www.ROS.org. Retrieved 12 December 2017. ↑ "Clearpath Welcomes PR2 to the Family". ↑ "ROS Answers Reaches 15,000 Questions". ↑ "ROS running on ISS - ROS robotics news". www.ROS.org. Retrieved 12 December 2017. ↑ "Program - ROSCon 2014". roscon.ROS.org.