TY  - BOOK
AU  - Maiwald, Erick Sieglein, William 
TI  - Security planning and disaster recovery 
SN  - 0-07-049555-6 
U1  - 004.6 MAI  
PY  - 2002///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - COMPUTER NETWORK
ER  -