TY  - BOOK
AU  - Kaufman, Charlie
TI  - Network security: Private communication in a public world
U1  - 004.678 K162N(2) 
PY  - 2013///
CY  - New Delhi
PB  - PHI Learning
N1  - 125 17/01/201 170 24/01/2014 Main Budget
ER  -