1982 International Institute of Applied Systems Analysis
1982 International Institute of Applied Systems Analysis
Europe
1982 Nature Conservation “Protect Endangered Species”
1982 Nature Conservation “Protect Endangered Species”
1982 The 75th Anniversary of Postal Bus Services
1982 The 75th Anniversary of Postal Bus Services
1982 The 50th Anniversary of the Death of Ignaz Seipel
1982 The 50th Anniversary of the Death of Ignaz Seipel