1. Springer Handbook of Robotics,2016
2. UGV history 101: A brief history of Unmanned Ground Vehicle (UGV) development efforts;Gage;Ummanned Syst. Mag.,1995
3. A Mobile Automaton: An Application of Artificial Intelligence Techniques;Nilsson,1969
4. Shakey the Robot;Nilsson,1984
5. Automatic Control Systems for Legged Locomotion;Frank,1968