6Stengele G. Cross HueUer Specht Xperimental, a Machining Center with New Hybrid Kinematics[J]. In: Development Methods and Application experience of Parallel Kinematics, Proceedings of 3rd Parallel Kinematics Seminar, Chemnitz, Germany, 2002:609-627.
7Gosselin.F, A new imight into the duality between serial and parallel non-redundant and redundant manipulators [J]. Robotica 2001, 19(4):365-370.
