TY  - BOOK
AU  - Bhaskar, S.N. 
AU  -  Afsson, S.F.
TI  - Information security: A practical approach
SN  - 81-7319-831-3
U1  - 3.3 
PY  - 2007///
CY  - New Delhi
PB  - Narosa, 
ER  -