1. Hashim, A.S., et al.: Application of robotics in oil and gas refineries. Int. J. Mech. Eng. Technol. (IJMET) 15, 01–08 (2014)
2. Robotics. Oxford Dictionaries (2011). Accessed 4 Feb
3. Williams, B.: Introduction to Robotics Mechanical Engineering, Ohio University ME 4290/5290 Mechanics and Control of Robotic Manipulators, williar4@ohio.edu (2014)
4. The World Factboo Central Intelligence Agency (2016). www.cia.gov . Accessed Sept 6
5. Pearce, J.: George C. Development, Inventor of Robot Arm, a suburb of Trenton. The device was used to lift and stack die-cast metal parts taken hot from their molds, Township, New Jersey (2012)