1. Proceedings of the 11th World Congress on Theory of Machines and Mechanisms;Huang,2004
2. Web Resource of the Kinematic Models for Design Digital Library, 2005. Available from: .
3. T. Brix, U. Döring, M. Reeßing, Constraint-based computational kinematics, in: Proceedings of the International Workshop on Computational Kinematics, Cassino, Italy. Paper 40-CK2005, 2005.
4. Getriebelehre—Eine Theorie des Zwanglaufs und der ebenen Mechanismen;Grübler,1917
5. Web Resource of the Interactive Geometry Software Cinderella, 2005. Available from: .