TY  - BOOK
AU  - Stallings, William
TI  - Network security essentials
SN  - 8178083078
U1  - 005.8 STA 
PY  - 2000///
CY  - Delhi
PB  - Pearson
KW  - Computer Security
KW  - Data Security
N1  - includes bibliographic references and index
ER  -