TY  - BOOK
AU  - Stallings, William
TI  - Computer security principles and practice
SN  - 9788131733516
AV  - 005.8 STW C. book
U1  - 005.8 STW C. 
PY  - 2012///
CY  - New Delhi
PB  - Pearson Education
KW  - DE
N1  - DE
ER  -