TY  - BOOK
AU  - Stallings William
TI  - Cryptography and network security: principles and practice
SN  - 0-13-973819-3
U1  - 005.8 
PY  - 1999///
CY  - New jersey
PB  - Prentice-Hall International
KW  - Cryptograohy
KW  - Data encryption
KW  - Data security
ER  -