1. Metropolitan Travel/Tourism Markets—Are Current Measures Misleading;Blank,1976
2. Minnesota's Lodging Industry: Statistics and Characteristics;Blank,1975
3. Some Considerations of Tourism Location in Europe;Christaller,1964
4. The Geography of Recreation and Leisure;Cosgrove,1972
5. Le Taux de Fonction Touristique: Mise au Point et Critique;Defert,1967