Yield management in small and medium-sized enterprises in the tourism industry : general report / drawn up by Arthur Andersen [for] European Commission, DG XXIII
Qualidade das águas balneares : época balnear de 1995 / Comissão Europeia
Tourism in Europe / European Commission, EUROSTAT, DG XXIII
Bathing water quality 1994 : coastal and internal zones / European Commission
Voyage à travers l'Europe / Commission des Communautés Européennes