TY  - BOOK
AU  - Kaufman,Charlie
AU  - Perlman,Radi
AU  - Speciner,Mike
TI  - Network security: private communication in a public world 
SN  - 8178087901 :
AV  - TK5105.59 .K38 2002
PY  - 2002///
CY  - Delhi
PB  - Pearson Educ.
KW  - Computer networks
KW  - Security measures
ER  -