Thompson, Louis M.
Soils and soil fertility : - 2a ed. - New York : McGraw-Hill, 1957. - ix, 451 p. : il. - McGraw-Hill Publications in the Agricultural Sciences .
Soils and soil fertility : - 2a ed. - New York : McGraw-Hill, 1957. - ix, 451 p. : il. - McGraw-Hill Publications in the Agricultural Sciences .