TY  - BOOK
AU  - Kaufman, Charlie
AU  - Perlman, radia
AU  - Speciner, Mike
TI  - Network Security: private communication in a public world
SN  - 8120322134
U1  - 005.8 
PY  - 2006///
CY  - New Delhi
PB  - Prentice Hall India
ER  -