1. Hunt, K.H.: Constant-velocity shaft couplings: A general theory. Transactions of the ASME, J. Eng. Ind. 95B, 455–464 (1973)
2. Hunt, K.H.: Structural kinematics of in-parallel-actuated robot arms. Transactions of the ASME, J. Mech. Design 105, 705–712 (1983)
3. Hunt, K.H.: Kinematic Geometry of Mechanisms. Oxford University Press, Oxford (1978)
4. Merlet, J.-P.: Les robots parallèles. Hermès, Paris (1990, 1st edn; 1997, 2nd edn)
5. Tsai, L.-W.: Mechanism Design: Enumeration of kinematic structures according to function. CRC Press, Boca Raton, FL (2000)