TY  - BOOK
AU  - Cheswick, William R.
AU  - Bellovin, Steven M.
TI  - Firewalls and Iinternet security: repelling the wily hacker
SN  - 0201633574
U1  - 005.8 
PY  - 1994///
CY  - California
PB  - Addison-Wesley
ER  -