TY  - BOOK
AU  - Stallings, William
TI  - Cryptography and network security : principles and practice
SN  - 81-7808-902-5
U1  - 001.64404  STA 
PY  - 2003///
CY  - Delhi
PB  - Pearson Education
KW  - Cryptography,network,security
ER  -