TY  - BOOK
AU  - Maiwald, Eric
TI  - Network security: a beginners guide 
SN  - 9781259029493
U1  - 005.8 MAI-E 
PY  - 2013///
CY  - India
PB  - TMH
KW  - Computer networks--Security measuresﾠ
KW  - Computer securityﾠ
ER  -