Geographic Subject
Earth
8
Russia (Federation)
6
Germany
5
Göttingen
3
Skagerrak
2
Soviet Union
2
Baltic Sea
1
Berlin
1
Bothnia, Gulf of
1
Chile
1
Dissertations
1
Gabon
1
Greece
1
India
1
Leipzig
1
Mongolia
1
North Pacific Ocean
1
Primorskiĭ kraĭ
1
Russian Far East
1
Sakha
1
Sakhalin
1
Siberia, Eastern
1
Transbaikalia
1
Ural Mountains Region
1
Western Mediterranean
1