Segmented Inbound Portugal Reports : Austria, Belgium, France, Germany, Ireland, Italy, Netherlands, Spain, Sweden, United Kingdom. / European Travel Monitor
The travel journalist : Tourism in the FRG. Tourism and civilazation. Sound of holidays. A girl in the tourism study: China / International documentation Centre "George Dopagne"
Vacation patterns of the elderly German / Gerald Romsa, Morris Blenman
Evolution of shortbreak holidays / Martin Lohmann