TY  - GEN
AU  - Stallings, William
TI  - Network security essentials: : applications and standards
SN  - 9789352866601
U1  - 005.8 
PY  - 2018///
CY  - New Delhi
PB  - Pearson India
KW  - Network Security
KW  - Cryptography
N1  - Includes Bibliographical References and Index
ER  -