TY  - BOOK
AU  - Stallings, William 
TI  - Cryptography and network security: principles and practice 
SN  - 981-4035-89-0 
U1  - 004.65 STA  
PY  - 2005///
CY  - Prentice hall 
PB  - New Jersey 
KW  - COMPUTER NETWORK
ER  -