TY  - BOOK
AU  - STALLINGS, WILLIAM
TI  - NETWORK SECURITY ESSENTIALS: APPLICATIONS AND STANDARDS 
SN  - 9788131716649
U1  - 005.82 O 09 STA 
PY  - 2009///
CY  - NEW DELHI
PB  - PEARSON EDUCATION ASIA PUBLISHING HOUSE
ER  -