TY  - BOOK
AU  - William Stallings
TI  - Cryptogrpahy and Network Security: Principles and Practice
SN  - 9788131761663
U1  - 005.8 
PY  - 2012///
CY  - New Delhi
PB  - Pearson Education Inc
KW  - Cryptogrpahy and Network Security
ER  -