TY  - BOOK
AU  - Brown,Dan
TI  - Digital fortress
SN  - 9780552161251
U1  - 823 
PY  - 2009///
CY  - kolkata
PB  - RHUK
KW  - Computer security
KW  - United States
KW  - Fiction
KW  - Cryptographers
KW  - Intelligence officers
KW  - United States. National Security Agency
ER  -