TY  - BOOK
AU  - Ray, Ajoy Kumar.
AU  - Acharya, Tinku.
TI  - Information technology: principles and applications 
SN  - 8120321847
AV  - 004 RAY
U1  - 004 
PY  - 2004///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Information technology
ER  -