TY  - BOOK
AU  - StallingsWilliam
AU  - 
TI  - Network Security Essentials : 
SN  - 978 81 317 6175 5  
U1  - 005.8/S775n 
PY  - 0000///Pearson Education.
PY  - 2011///
CY  - New Delhi. 
KW  - Network Security.
KW  - Computer Science
N1  - Includes index(P408-417) and bibliography.
ER  -