Boserup, Ester. The conditions of agricultural growth : the economics of agrarian change under population pressure / Ester Boserup. With a foreword b y Nicholas Kaldor. - London : G. Allen & Unwin, 1965. - 124 p. ; 23 cm. Includes bibliographical references. ISBN: 0043380522 LCCN: 65-085646 Subjects--Topical Terms: Agriculture--Economic aspects.Population. Dewey Class. No.: 338.1