TY  - BOOK
AU  - Ken ,Booth.
TI  - Realism and world politics 
SN  - 0203833961
PY  - 2011///
CY  - New York
PB  - Routledge
UR  - http://opac.dbit.in/cgi-bin/koha/opac-retrieve-file.pl?id=b6bfa67ddd8fa6cba4c7c1a95e71c2c5
ER  -