1. Bottema, O., and Roth, B. (1979): Theoretical Kinematics. North-Holland, New York.
2. Burmester, L. (1886): Lehrbuch der Kinematik. Verlag Von Arthur Felix, Leipzig, Germany.
3. Chiang, C. H. (1988): Kinematics of Spherical Mechanisms. Cambridge Univ. Press.
4. Erdman, A., and Gustafson, J. (1977): LINCAGES: Linkage INteractive Computer Analysis and Graphically Enhanced Synthesis Packages, Technical Report 77-DET-5, American Society of Mechanical Engineers.
5. Erdman, A. G. (1993): Modern Kinematics: Developments in the Last Forty Years. John Wiley and Sons, New York.