1. Zhang , X.J. 1997 Research on the aspherical process optimization of CNC Chinese Academy of Sciences, Changchun Institute of Optics Changchun
2. Zheng , W. 1998 High steepness optical aspheric automatic forming Zhejiang University Hangzhou
3. Wang , G.L. 2002 Research for key technologies of ultra-precision polishing of SiC optical materials National University of Defense Technology Changsha
4. Computer assisted optical surfacing;Aspden;Applied Optics,1972