1. Carricato, M., and Parenti-Castelli, V. (2002), Singularity-free fully-isotropic translational parallel mechanisms, The International Journal of Robotics Research, no. 2, vol. 22, pp. 161–174.
2. Company, O., and Pierrot, F. (1999), A new 3T–1R parallel robot, Proceedings of the International Conference on Robotics and Automation, Tokyo, Japan, pp. 557–562.
3. Fang, Y., and Tsai, L-W. (2002), Structural synthesis of a class of 4-dof and 5-dof parallel manipulators with identical limb structures, The International Journal of Robotics Research, no. 9, vol. 21, pp. 799–810.
4. Frisoli, A., Checcacci, D., Salsedo, F., and Bergamasco, M. (2000), Synthesis by screw algebra of translating in-parallel actuated mechanisms, Advances in robot kinematics, (J. Lenarcic and M. M. Stanisic, eds ), Springer Science+Business Media New York, pp. 433–440.
5. Gao, F., Li, W., Zhao, X., Jin, Z., and Zhao, H. (2002), Mechanism and Machine Theory, no. 11, vol. 37, pp. 1395–1411.