TY  - BOOK
AU  - Patel, Dhiren R. 
TI  - Information security: theory and practice
SN  - 9788120333512
U1  - 005.8 P2721i 
PY  - 2008///
CY  - New Delhi
PB  - Prentice-Hall of India Private Limited
KW  - Computer systems
KW  - Access control
ER  -