1. Computer assisted optical surfacing;Aspden;Appl Opt,1972
2. Super-smooth surface polishing on aspherical optics;Ando,1992
3. Elastic emission machining;Mori;Prec Eng,1987
4. Surface figuring using neutral ion beams;Wilson,1988
5. Particle beam figuring – an ideal tool for precision figuring of optics;Weiser,1991