TY  - BOOK
AU  - Patel , Dhiren R.
TI  - Information security: theory  and practice 
SN  - 9788120333512
AV  - .P38  2008 QA 76.9
PY  - 2008///
CY  - New Delhi
PB  - Prentice -Hall
KW  - Information security
N1  - include  index
ER  -