1. J.E. Colgate, W. Wannasuphoprasit and M.A. Peshkin: Cobots: Robots for Collaboration with Human Operators, International Mechanical Engineering Congress and Exposition ASME Atlanta Vol. 58 (1997), pp.433-440.
2. S. Sirikasemsuk and W. Wannasuphoprasit: 3DC-Cobotic manipulator, Thammasat Int. J. Sc. Tech (2011).
3. E.S. Boy, E. Burdet, C.L. Teo and J.E. Colgate: Investigation of Motion Guidance with Scooter Cobot and Collaborative Learning, IEEE Transaction on Robotics Vol. 23 No. 2 (2007).
4. M.A. Peshkin, J.E. Colgate, W. Wannasuphoprasit, C.A. Moore, R.B. Gillespie and P. Akella: Cobot Architecture, IEEE Transaction on Robotics and Automation August Vol. 17 No. 4 (2001).
5. T. Worsnopp: Design of a Unicycle Cobot Controller, Master's Thesis, Department of Mechanical Engineering, Northwestern University, May (2003).