Jenny, Hans, 1899-1992
Factors of soil formation : a system of quantitative pedology / by Hans Jenny - New York : McGraw-Hill, 1941 - xii, 281p. : ill.
Soil formation
Factors of soil formation : a system of quantitative pedology / by Hans Jenny - New York : McGraw-Hill, 1941 - xii, 281p. : ill.
Soil formation