TY  - BOOK
AU  - Obrien, James A.
TI  - Introduction to information systems
SN  - 9780070589711
U1  - 003.54 OBRJ 
PY  - 2009///
CY  - New Delhi
PB  - Tata McGraw Hill Publishing Company Ltd
KW  - Information Theory(003.54)
ER  -