TY  - BOOK
AU  - Goertz, Gary.
AU  - Diehl, Paul F.
AU  - Balas, Alexandru.
TI  - Puzzle of peace: the evolution of peace in the international system 
SN  - 9780199301034
U1  - 327.172 GOE-G 
PY  - 2016///
CY  - United Kingdom
PB  - Oxford University Press
KW  - Mediation, International
KW  - Pacific settlement of international disputes
KW  - Peace--International cooperation
KW  - World politics
KW  - Boundary disputes
KW  - Peaceful change (International relations)
ER  -