TY  - BOOK
AU  - Pohlman, Norbert
TI  - Firewall system: internet and intranet security 
AV  - TK5105.59 .P64 2001
PY  - 2001///
CY  - Germany
PB  - MITP-Verlag
KW  - Firewall systems
N1  - includes index
ER  -