Supplement to world economic survey 1981-1982 : some notes on recent changes in commercial policy of developed market economies medium - term growth and trede in the light of the socioeconomic development plans of easter Europe and the union of Soviet socialist republics for 1981-1985. New York : United Nations, 1982. 35 s. [Počet ex. : 1, z toho voľných 1, prezenčne 0]