00278nam a2200109Ia 4500082002500000100002100025245003600046260004800082300002800130500000500158700000500163  a338.9173047bP847.US  aPorter, Roger B.  aThe US - USSR grain agreementb  aCambridgebCambridge University Pressc1984  axiv, 160p. Index. Bibl.  a  a