TY  - BOOK
AU  - Stallings,William
TI  - Cryptography and network security : principles and practice / 
SN  - 9788131761663
U1  - 005.82 
PY  - 2011///
CY  - Delhi : 
PB  - Pearson Education Asia , 
KW  - CRYPTOGRAPHY
KW  - NETWORK SECURITY
N1  - includes bibliography and index
ER  -