Bridges, E. M. World soils [by] E. M. Bridges. - London, Cambridge U.P., 1970. - [1], 89 p., 8 plates. illus. (some col.), maps. 25 cm. Bibliography: p. 85-86. ISBN: 0521076161 LCCN: 76096082 Nat. Bib. No.: B70-24616 Subjects--Topical Terms: Soil science. LC Class. No.: S591 / .B85 Dewey Class. No.: 631.4