FitzPatrick, Ewart Adsil Soils : their formation, classification and distrubution / E.A . FitzPatrick - 2nd ed. - London : Longman , 1983. - xix, 553 p.: ill.; 25 cm. Bibligraphy: p.342-345 Subjects--Topical Terms: Soil science Dewey Class. No.: 631.4 FIT