1. ISO 14997:2011 Optics and photonics - Test methods for surface imperfections of optical elements (2011).
2. ISO 10110-7 Optics and photonics - Preparation of drawings for optical elements and systems - Part 7: Surface imperfection tolerances (ISO 10110-7:2008) (2009).
3. The Truth About Scratch and Dig;Aikens,2010
4. Developing a more useful surface quality metric for laser optics,;Turchette,2011
5. Microscopic scattering imaging measurement and digital evaluation system of defects for fine optical surface