TY  - GEN
AU  - Stallings,William
TI  - Network security essentials : applications and standards
SN  - 8178083078
U1  - 005.8 
PY  - 2000///
CY  - Delhi
PB  - Wesley Longman 
KW  - COMPUTER NETWORK COMPUTER SCIENCES
KW  - NETWORK SECURITY
KW  - COMPUTER SECURITY
ER  -