1. Radiative Transfer;Chandrasekhar,1960
2. A new photometric function for surfaces without atmospheres;Cook,1981
3. Measurement of the roughness of the sea surface from photographs of the Sun's glitter;Cox;J. Opt. Soc. Amer.,1954
4. Photometrie et colorimetrie des planets mercure et Venus;Danjon;Bull. Astron.,1949
5. Relations between rough surfaces and their scattering properties as applied to radar astronomy;Hagfors,1968