1.		Seminar on tourism statistics in the countries of central and eastern Europe, Prague, 28-30 Jan. 1992 / org. World Tourism Organization Data Publicação: 1992 Col.autor: Seminar on tourism statistics in the countries of central and eastern Europe. 1992 Co col. autor sec.: OMT COTA(S): 6680
2.		Short-term economic indicators : Central and Eastern Europe / Organisation for Economic Co-operation and Development Data Publicação: 1992 Col.autor: OCDE. [s.n] COTA(S): 18615