TY  - BOOK
AU  - Stallings, William.
TI  - Network security essentials: Applications and standards 
SN  - 8178083078
U1  - 005.8 1
PY  - 2003///
CY  - New Delhi
PB  - Pearson Education
KW  - Cryptography-Data encryption
KW  - Network Security Applications
KW  - System Security
ER  -