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2. Capillary behavior in porous solid;Leverett;Trans. AIME,1941
3. Dimensional model studies of oil field behavior;Leverett;Trans. AIME,1942
4. Capillary pressures—their measurement using mercury and the calculation of permeability therefrom;Purcell;Trans. AIME,1949
5. Pore size distribution in porous materials;Ritter;Ind. Eng. Chem.,1945