Buringh, P. Introduction to the study of soils in tropical and subtropical regions. [By] P. Buringh. - 2d [rev.] ed. - Wageningen, Pudoc, 1970. - 100 p. with illus. 23 cm. Includes bibliographies. LCCN: 74861289 Nat. Bib. No.: Ne70-43 Subjects--Topical Terms: Soil science.Soils--Tropics. LC Class. No.: S591 / .B895 1970 Dewey Class. No.: 631.4/9/13 BUR 1970