TY  - BOOK
AU  - Stallings, William.
AU  - Brown, Lawrie
TI  - Computer security : principles and practice 
SN  - 9788131733516
U1  - 005.8 STA 
PY  - 2010///
CY  - New Delhi, India
PB  - Pearson Education
KW  - Computer networks--Security measures
N1  - Includes index
ER  -