TY  - BOOK
AU  - Stallings,William
TI  - Cryptography and network security: principles and practice
SN  - 0138690170
AV  - TK5105.59 S83 1998
PY  - 1998///
CY  - Upper Saddle River, New Jersey
PB  - Prentice Hall
N1  - Incluye bibliografia
ER  -