TY  - BOOK
AU  - Stallings, Williams
TI  - Cryptography and network security: principles and practices 
SN  - 8177587749
U1  - 004.67 
PY  - 2006///
CY  - New Delhi
PB  - Pearson Prentice Hall
KW  - Cryptography
KW  - Data Processing
KW  - Network Security
ER  -