1. George, N. S. and Arthur, G. E. (1984). Advanced mechanism design: Analysis and synthesis. Volume 2. Prentice-Hall, Inc., Englewood Cliffs, New Jersey.
2. Hunt, K. H. (1990). Kinematic geometry of mechanisms. Oxford University Press.
3. Mccarthy, J. M. (1997). Kinematic synthesis of linkage. University of California Irvine.
4. Loerch, R. J., Erdman, A. G. and Sandor, G. N. (1979). On the existence of circle-point and center point circles for three-precision point Dyad synthesis. J. of Mechanical Design ( ASME ), Oct.: 554–562.
5. Freudenstein, F. An analytical approach to the design of four-link mechanism. Transactions of the ASME 76. 483–492.