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3. The function of different types of macropores during saturated flow through four swelling soil horizons;Bouma;Soil Sci. Soc. Am. J.,1977
4. Calculation of saturated hydraulic conductivity of some pedal clay soils using micromorphometric data;Bouma;Soil Sci. Soc. Am. J.,1979
5. Micromorphometric soil-porosity characterization by means of electro-optical image analysis (Quantimet 720);Ismail;Neth. Soil Surv. Inst., Wageningen, Soil Surv. Pap.,1975