1. Parallel Robots;Merlet,2006
2. Are parallel robots more accurate than serial robots?;Briot;Transactions of the Canadian Society for Mechanical Engineering,2007
3. XY-Theta positioning table with parallel kinematics and unlimited theta rotation;Bonev,2006
4. A. Scheidegger, R. Liechti, Positioning Device, in US Patent 6, 622, 586, September 23 (2003).
5. Analysis of configuration space singularities of closed-loop mechanisms and parallel manipulators;Bandyopadhyay;Mechanism and Machine Theory,2004