Weintraub, Sidney 1914- The foreign exchange gap of the developing countries / Sidney We intraub - Princeton N.J. : International Finance Section, Dept. of Economic s, Princeton University , 1965 - 27 p. ; 23 cm - Essays in international finance ; no.48 . Subjects--Topical Terms: Balance of trade Subjects--Geographic Terms: Developing countries--Finance Dewey Class. No.: 332.15082