TY  - BOOK
AU  - Stallings,William
TI  - Network security essentials: applications and standards 
SN  - 9780137067923
AV  - TK5105.59 .S725 2011
PY  - 2011///
CY  - Boston
PB  - Prentice Hall
KW  - Computer networks
KW  - Security measures
KW  - Computer security
ER  -