1. Relating organic matter and clay content to the multispectral radiance of soils;Al-Abbas;Soil Sci.,1972
2. On the dependence of the brightness of minerals on the degree of dispersion;Belonogova;Izv. Akad. Nauk SSSR, Ser. Geol.,1959
3. Application of photointerpretation to mapping of soil drainage conditions;Bialousz;Prace Komisji Naukowych PTG,1978
4. Reflection of radiant energy from soils;Bowers;Soil Sci.,1965
5. Influence of surface soil clod structure on spectral response of soil cover;Cierniewski;Colloques l'INRA,1984