TY  - BOOK
AU  - Williams,Paul D.
TI  - Security studies: an introduction 
SN  - 9780415425629
AV  - JZ5588 .S4297 2008
PY  - 2008///
CY  - London
PB  - Routledge
KW  - Security
KW  - International
KW  - International relations peace studies
ER  -