TY  - BOOK
AU  - Kaufman, Charlie  .
TI  - Network security: private communication in a public world / 
SN  - 978-81-7758-415-8
U1  - BV 
PY  - 2008///
CY  - Delhi : 
PB  - Pearson Education(Singapore) Pte. Ltd. , 
KW  - Network security
ER  -