631.47
M699T
           Mohr, E C J
               Tropical soils a critical study of soil genesis as related to climate, rock and vegetation \ E C J Mohr - The Hague : N V Uitgeverij W. Van Hoeve, 1959.
               498p.
42144
                Subjects: Soils-Tropics; Soil formation; Alkali land; Soil profiles.