1. On the kinematics of a rigid body;Everett;The Quarterly Journal of Pure and Applied Mathematics,1875
2. Theory of Screws;Ball,1900
3. Kinematic geometry of mechanisms;Hunt,1978
4. Freedom in Machinery: Volume 1, Introducing Screw Theory;Phillips,1984
5. Singularity Analysis of Serial Robot-Manipulators;Karger;ASME J. Mech. Des.,1996