FitzPatrick, Ewart Adsil Soil their formation, classification and distribution / by Ewart Adsil Fitzpatrick - London : Longman, 1983 - 353 p. : ilus. - . LCCN: 166164 Subjects--Topical Terms: Suelos--ClasificaciónSuelos--Formación Dewey Class. No.: 631.4 F57