TY  - BOOK
AU  - Stallings, William.
TI  - Network security essentials: Applications and standards 
SN  - 9788131761755
U1  - 005.82 4
PY  - 2012///
CY  - New Delhi
PB  - Pearson Education
KW  - Cryptography-Data encryption
KW  - Network Security Applications
KW  - System Security
KW  - Online Appendices
ER  -