Geography
United States
121 results
Europe
39 results
Soviet Union
34 results
China
31 results
Germany
10 results
Great Britain
10 results
Asia
9 results
East Asia
8 results
Japan
7 results
India
6 results
Pacific Area
6 results
Russia (Federation)
6 results
Middle East
5 results
Australia
4 results
Developing countries
4 results
Korea (South)
4 results
Korea (North)
3 results
South Asia
3 results
Spain
3 results
Turkey
3 results
États-Unis
3 results
Atlantic Ocean
2 results
Austria
2 results
Chine
2 results
Communist countries
2 results
Cuba
2 results
EE. UU
2 results
Ecuador
2 results
Germany (East)
2 results
Germany (West)
2 results
Indo-Pacific Region
2 results
Iran
2 results
Korea
2 results
North Sea
2 results
Rusia
2 results
Southeast Asia
2 results
USA
2 results
Vietnam
2 results
Africa
1 results
Africa, Sub-Saharan
1 results
Asia, Central
1 results
Asie du Sud-Est
1 results
BRIC countries
1 results
Belarus
1 results
Brazil
1 results
Canada
1 results
Europa
1 results
Europe, Eastern
1 results
Europe, Western
1 results
European Union countries
1 results
more…