FitzPatrick, E. A. Soils, their formation, classification, and distribution / E.A. FitzPatrick - 1st pbk. ed. with additions and corrections - London : Longman, 1983 - xix, 353 p. : ill., maps. ; 26 cm. First published 1980 Includes index Bibliography: p.342-345 Subjects--Topical Terms: Soil science