TY  - BOOK
AU  - Keersmaeker, Goedele De
TI  - Polarity, balance of power and international relations theory: post-cold war and the 19th century compared 
SN  - 9783319426518
U1  - 320.01 
PY  - 2017///
CY  - Switzerland
PB  - Palgrave Macmillan
ER  -