TY  - BOOK
AU  - Groom, A J R.
AU  - Barrinha, Andre.
AU  - Olson, William C.
TI  - International relations then and now: origins and trends in interpretation 
SN  - 9780415180207
U1  - 327 
PY  - 2019///
CY  - London
PB  - Routledge
KW  - International relations
ER  -