TY  - BOOK
AU  - Babu, Ramesh P.
TI  - Signal & Systems 4th  Ed
SN  - 9788183712880
U1  - 621.3822 
PY  - 2007///
CY  - Chennai
PB  -  Scitech Pub.
KW  - Electronic Communication Engineering
KW  - Signal Systems
ER  -