TY  - BOOK
AU  - Stallings, William
TI  - Network security essentials: applications and standards
SN  - 8178083078
U1  - 005.8 
PY  - 2003///
CY  - Delhi
PB  - Pearson education
KW  - Data protection
KW  - Computer security
KW  - Computer networks - Security measures
ER  -