O mercado turístico para Portugal / ICEP
COTA(S): 6108
Tourisme et environnement dans les pays européens / Conseil de l'Europe
COTA(S): 16079
Tourism policy and international tourism in OECD countries 1993-1994 / Directorate for Financial, Fiscal and Enterprise Affairs, Tourism Committee
COTA(S): 6103
Qualidade das águas balneares : época balnear de 1995 / Comissão Europeia
COTA(S): 6100