Constantinesco, I. Soil conservation for developing countries / by I. Constantinesco. - Rome : Food and Agriculture Organization of the United Nations, 1976. - xii, 92 p. : ill. ; 28 cm. - Soils bulletin ; 30 . - FAO soils bulletin ; 30. . Bibliography: p. 89-92. Includes bibliographical references. ISBN: 9251001014 LCCN: 78309314 Nat. Bib. No.: It*** Subjects--Topical Terms: Soil conservation. LC Class. No.: S623 / .C59 Dewey Class. No.: 631.4