Geography
Europe
United States
77 results
Soviet Union
19 results
Europe, Eastern
6 results
North America
6 results
Russia (Federation)
6 results
Middle East
5 results
European Union countries
4 results
Great Britain
4 results
Turkey
4 results
European Economic Community countries
3 results
Former communist countries
3 results
France
3 results
Germany
3 results
Germany (West)
3 results
Ukraine
3 results
Europe, Central
2 results
Kosovo (Republic)
2 results
Afghanistan
1 results
Africa, North
1 results
Australia
1 results
Balkan Peninsula
1 results
Baltic States
1 results
California
1 results
Canada
1 results
Europe, Western
1 results
European Economic Community
1 results
Japan
1 results
Mali
1 results
Persian Gulf Region
1 results
Russia
1 results
Urengoĭ Pipeline (Russia and Ukraine)
1 results
Yugoslavia
1 results
États-Unis
1 results