TY  - BOOK
AU  - Stallings, William
TI  - Cryptography and network security: Principles and practice
U1  - 005.8 S18C(6) 
PY  - 2015///
CY  - New Delhi
PB  - Pearson India Education
N1  - 2269 01/02/2016 HBD15/1721 01/03/2016 Main Budget
ER  -