1. Variation of the NRCS of the sea with increasing roughness
2. The Scattering of Electromagnetic Waves from Rough Surface;Beckman,1963
3. Wave Scattering from Statistically Rough Surfaces;Bass,1979
4. Wave Propagation and Scattering in Random Media;Ishimaru,1978
5. Principles of Statistical Radio Physics. Vol. 4: Wave Propagation through Random Media;Rytov,1989