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D. Geowissenschaften (Geodäsie, Geophysik, Geologie und Geographie)
Baskačenko, I. I., (1972)
Obščie raboty : Afrika ; (Tropičeskaja i Južnaja)
(1979)
European bibliography of Slavic and East European studies
(2000)
Ideology and Soviet military strategy
McConnell, James M., (1968)
The Soviet Union today : A concise handbook
Whiting, Kenneth R., (1962)