TY  - BOOK
AU  - Stallings,William
TI  - Cryptography and network security : : principles and practice / 
SN  - 0138690170
U1  - 005.8 
PY  - 1999///
CY  - New Jersey
PB  - Prentice-Hall, 
KW  - Computers
KW  - Computer networks
KW  - Computer security
KW  - Encryption
N1  - Includes bibliographical refrences and index
ER  -