Venise - Italie / Pierre Marchand
Stagioni d'Italia. The Italy of Christopher Columbus / Marino Corona [Pres.]
Seminar on tourism statistics in the countries of central and eastern Europe, Prague, 28-30 Jan. 1992 / org. World Tourism Organization
Annuaire européen du temps libre et du tourisme / R. Delbaere, [et al.]
ITINERA - Borsa internazionale del turismo religioso, Ravenna, 9-11 ottobre 1992 / ITINERA
Parcs nationaux et tourisme en Europe / Gérard Richez