1. Stylus Techniques;Whitehouse,1975
2. Interference microscope for sub-Angstrom surface roughness measurements;Christopher,2003
3. Optical roughness measurements using extended white-light interferometry
4. High-accuracy surface measurement using laser-diode phase-stepping interferometry;Metchkarov,2000
5. Laser Diffraction Method of Surface Roughness Measurement;Vladimir,1997