1. Z.G. Rao. Planetary transmission mechanism design. Beijing: National Defense Industry Press (1994).
2. Sung H. Park. Robust Design and Analysis for Quality Engineering, Chapman & Hall London(1996).
3. Buck R J, Wynn H P. Optimization Strategies in Robust Engineering Design and Computer Aided Design, Quality and Reliability Eng. International (1993), p.3448.
4. J. J. King. The Robust Method-A New Way to Engineer, Electronic Design (1995), pp.119-120.
5. J. Yi. Cycloid planetary reducer multi-objective optimization design. Chinese Mechanical Engineering (1999).