TY  - BOOK
AU  - Kaufman Charle
AU  - Perlman Radia Speciner Mike
TI  - Network Security Private Communication
SN  - 9788120322134
U1  - 005.8 KAU 
PY  - 2002///
CY  - New Delhi
PB  - PHI Learning Pvt Ltd
KW  -  Kaufman Charle
KW  - Network Security Private Communication
ER  -