Thompson, Louis M. Soils and soil fertility / [by] Louis M. Thompson [and] Frederick R. Troeh. - 2nd. ed. - New York : McGraw-Hill, 1973. - x, 495 p. : illus. ; 24 cm. - McGraw-Hill publications in the agricultural sciences . Includes bibliographies. LCCN: 72002473 Subjects--Topical Terms: Soil science.Soil fertility. Dewey Class. No.: 631.42 / THS 1973