TY  - BOOK
AU  - Kyas,Othmar
TI  - Internet security : analysis, strategis and firewalls / 
SN  - 185032302X
U1  - 004.678 
PY  - 1997///
CY  - London : 
PB  - International Thomson Computer Press , 
KW  - INTERNET (COMPUTER NETWORK)
N1  - NULL
ER  -