TY  - BOOK
AU  - Nina Græger, Bertel Heurlin, Ole Wæver, Anders Wivel
TI  - Polarity in International Relations
SN  - 9783031055058
PB  - Springer
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-031-05505-8
ER  -