Activity analysis of production and allocation : proceedings of a conference / edited by Tjalling C. Koopmans - New York : John Wiley & Sons, c1951. - xiv,404 p. : 25 cm. ISBN: LCCN: Subjects--Topical Terms: Economic developmentEconomics LC Class. No.: HD21 / .C75 1951 Dewey Class. No.: 338.092 / A188