TY  - GEN
AU  - Ramesh Babu, P15236
AU  - Anandanatarajan, R 15312
TI  - Signals and systems /4th ed. 
SN  - 8188429198
U1  - 621.391 
PY  - 2013///
CY  - Chennai
PB  - Scitech Pub.
KW  - 621.391
KW  - Signals
ER  -