TY  - BOOK
AU  - Gupta, Kailash N.
AU  - Agarwala, Kamlesh N./Agarwala, Prateek A./
TI  - Digital signature: network security practices
U1  - 005.8  G959D 
PY  - 2005///
CY  - New Delhi
PB  - Prentice-hall
ER  -