TY  - BOOK
AU  - Sen,Debabrata
TI  - Basic principles of geopolitics and history: theoretical aspect of international relations 
U1  - 327.101 23
PY  - 1975///
CY  - Delhi
PB  - Concept Pub. Co.
KW  - Geopolitics
KW  - World politics
N1  - Bibliography: p. [255]-260. and index
ER  -