1. A Treatise on the Theory of Screws;Ball,1900
2. Kinematic Geometry of Mechanisms;Hunt,1978
3. J. Duffy, The Screw Theory and Its Application, Class Note of University of Florida, 1982.
4. Fundamentals of Robotic Mechanical Systems: Theory, Methods, and Algorithms;Angeles,2007
5. S. A. Joshi, L. W. Tsai, Jacobian analysis of limited-DOF parallel manipulators, ASME J. Mech. Des. 124 (2) (2002) 254-258.