Hillel, D. (1972). Optimizing the soil physical environment toward greater crop yields. Academic Press.
Citace podle Chicago (17th ed.)Hillel, Daniel. Optimizing the Soil Physical Environment Toward Greater Crop Yields. New York: Academic Press, 1972.
Citace podle MLA (9th ed.)Hillel, Daniel. Optimizing the Soil Physical Environment Toward Greater Crop Yields. Academic Press, 1972.
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