Buringh, P. Introduction to the study of soils in tropical and subtropical regions / P. Buringh. - 3rd ed. - Wegeningen : Pudock, 1979. - 100 p. : illus. ; 23 cm. Includes bibliographies. Open access. LCCN: 74861289 Subjects--Topical Terms: Soil science.Soils--Tropics.