TY  - BOOK
AU  - Sarma,Nityanada
AU  - Bhttacharyya,Dhruba K..
TI  - Network security : issues, challenges and techniques / 
SN  - 9788184870886
U1  - 005.8 
PY  - 2010///
CY  - New Delhi : 
PB  - Narosa Pulishing House , 
KW  - NETWORK SECURITY
N1  - includes bibliography
ER  -