TY  - BOOK
AU  - Penrose,E.F.(Ernest Francis),1895-1984
TI  - The revolution in international relations: a study in the changing nature and balance of power 
AV  - JX1395 .P39
PY  - 1965///
CY  - [London]
PB  - F. Cass
KW  - International relations
KW  - Balance of power
N1  - Bibliographical footnotes
ER  -