TY  - GEN
AU  - Cheswick, William R.
AU  - Bellovin, Steven M.
TI  - Firewalls and internet security: Repelling the wily hacker
SN  - 0201633574
U1  - 005.8 
PY  - 1994///
CY  - New York
PB  - Addison - Wesley
KW  - Data security
ER  -