00274nam a2200109Ia 4500082002500000100002800025245005600053260003500109300001000144500000500154700000500159  a332.1520973bP895.SM  aPrachowny, Martin F. J.  aStructural model of the U. S. balance of paymentsb  aAmsterdambNorth-Hollandc1969  a176p.  a  a