Oblath, Gabor The terms-of-trade effects from the elimination of state trading in Soviet-Hungarian trade by Gabor Oblath and David Tarr - Washington, D.C. IBRD 1991 - 30p. - IBRD. Working Papers: WPS 690 . Subjects--Topical Terms: Foreign Commerce - HungaryForeign Commerce - U.S.S.R. Dewey Class. No.: T39x47 Ob4