TY  - GEN
AU  - Jacobson, Douglas
TI  - Introduction to network security
T2  - CRC Computer and Information science Series
SN  - 9781584885436
U1  - 005.8 
PY  - 2009///
CY  - London
PB  - CRC press
KW  - COMPUTER NETWORKS
KW  - EMAIL
KW  - INTERNET
KW  - PROTOCOLS
KW  - SECURITY
ER  -