Boserup, Ester. The conditions of agricultural growth : the economics of agrarian change under population pressure. / With a foreword by Nicholas Kaldor. - Chicago : Aldine Pub. Co., 1965. - 124 p. 23 cm. Includes index. Subjects--Topical Terms: Agriculture--Economic aspects.Population. Dewey Class. No.: 338.1 / BOC 1965