1. Criteria for the locality of a manipulator arm with respect to an operating point;Abdel-Malek;IMechE J. Engng Mfg,1996
2. Analytic boundary of the workspace for general three degree-of-freedom mechanisms;Abdel-Malek;Int. J. Robotics Res.,1996
3. Analysis of kinematic singularities for robot manipulators in Cartesian coordinate parameters;Ahmad,1988
4. Numerical Continuation Methods: An Introduction;Allgower,1990
5. Numerical continuation and bifurcation methods for mechanical systems analysis;Adkins,1996