March 24, 2010 AJung Moon Six ways to build robots that do humans no harm – tech – 18 November 2008 – New Scientist
March 24, 2010 AJung Moon Safety issues loom as humanoid invasion approaches – tech – 10 March 2010 – New Scientist
February 15, 2010 AJung Moon Robotics Safety Standards, ISO 10218 – A White Paper by Rockwell Automation
