1. Plitea, N., et al.: Innovative development of parallel microrobots with six DOF and two guiding kinematic chains of the platform. Series: Appl. Math. Mech. 51, II, 21–26 (2008)
2. Merlet, J.: Parallel Robots, 2nd edn. Kluwer Academic Publishers, Boston (2006)
3. Plitea, N., et al.: Innovative development of parallel robots and microrobots. Acta Tech. Napoc. Ser. Appl. Math. Mech. 46(I), 15–26 (2006)
4. Plitea, N., et al.: New development of parallel robots and microrobots with three, four and five DOF. Proc. Appl. Math. Mech. 7, 4010029–4010030 (2007)
5. Zhang, B.: Design and implementation of a 6 DoF parallel manipulator with passive force control. Dissertation, University of Florida (2005)