1. “Optical Techinques for Online Measurement of Surface Topography,”;Vorburger;Precision Engineering,1981
2. “Scattering from Optical Surfaces,”;Elson,1979
3. “Relationship Between Surface Scattering And Microtopographic Features,”;Church;Opt. Eng.,1939
4. The Scattering of Electromagnetic Waves from Rough Surfaces;Beckmann,1963
5. D. E. Barrick in Radar Cross Section Handbook (Plenum, New York, 1970) Chap. 9; J. M. Elson, Phys. Rev. B12, 2541 (1975).