TY  - GEN
AU  - Patel,Dhiren R.
TI  - Information security: theory and practice
SN  - 9788120333512
U1  - 005.8 
PY  - 2008///
CY  - New  Delhi
PB  - Prentice-Hall of India
N1  - Includes  bibliographical references & index
ER  -