TY  - BOOK
AU  - Nye,Joseph S.
AU  - Welch,David A.
TI  - Understanding global conflict and cooperation: an itroduction to theory and history 
SN  - 0205798551 :
PY  - 2011///
CY  - Boston
PB  - Longman
KW  - International relations
KW  - War (International law)
KW  - World politics
KW  - 20th century
KW  - 21st century
ER  -