TY  - BOOK
AU  - Goertz,Gary
AU  - Diehl,Paul F.
AU  - Balas,Alexandru
TI  - The puzzle of peace: the evolution of peace in the international system 
SN  - 9780199301027 (hbk.) :
U1  - 327.172 23
PY  - 2016///
CY  - New York
PB  - Oxford University Press
KW  - Peace
KW  - International cooperation
KW  - Peaceful change (International relations)
KW  - Pacific settlement of international disputes
KW  - Mediation, International
KW  - Boundary disputes
KW  - World politics
KW  - 1945-1989
KW  - 1989-
N1  - Includes bibliographical references and index
ER  -