TY  - GEN
AU  - Wallensteen,Peter
TI  - Peace research : theory and practice
SN  - 9780415580892
U1  - 303.66 
PY  - 2011///
CY  - London
PB  - Routledge
KW  - Peace-Research
KW  - Conflict management-Research
KW  - Peace
ER  -