1. Chironis, N. P., 1991, Mechanisms & Mechanical Devices Source Book, McGraw-Hill, New York.
2. Crossley, F. R. E., 1965, “The Permutation of Kinematic Chains of Eight Members or Less from the Graph-Theoretic Viewpoint,” Developments in Theoretical and Applied Mechanics, Vol. 2, Pergamon Press, pp. 467–486.
3. Freudenstein, F., and Dobrjanskyj, L., 1965, “On a Theory for the Type Synthesis for Mechanisms,” Proceedings of the 11th International Congress of Applied Mechanics, Springer-Verlag, pp. 420–428.
4. Shetty, H., 1998, “A Graph Grammar Approach for Structure Synthesis of Mechanisms,” MS thesis, University of Maryland.
5. Tsai, L-W., 1996, “Class Notes: Systematic Design of Mechanisms,” The University of Maryland College Park.