1. ANSI/ITSDF B56.5:2012, Safety Standard for Driverless, Automatic Guided Industrial Vehicles and Automated Functions of Manned Industrial Vehicles, www.itsdf.org, Nov 2012.
2. British Standard Safety of Industrial Trucks - Driverless Trucks and their Systems. Technical Report BS EN 1525, 1998.
3. Robotic Systems for Smart Manufacturing Program, http://www.nist.gov/el/isd/ms/rssm.cfm, National Institute of Standards and Technology, 2016.
4. “Yaskawa Motoman MH80 robot unloading trucks - from Wynright Corporation,” http://www.youtube.com/watch?v=8wngL0BnF_4, June 18, 2013.
5. Adept Lynx Handler-Semi, http://www.adept.com/products/mobile-robots/mobile-transporters/handler-semi/general, 2016.