Bserup, Ester The conditions of agricultural growth, the economics of agrarian cha nge under population pressure / Ester Boserup ; with a foreword by N icholas Kaldor. - London : Allen & Unwin, 1965. - 124 p. ; 23 cm. Includes bibliographical references. Subjects--Topical Terms: Agriculture --Economic aspects -- Population.--Population.------ Dewey Class. No.: 338.1