TY  - GEN
AU  - Ramesh Babu, P15236
AU  - Ananda Natarajan,15577
TI  - Signals and systems /4th ed. 
U1  - 621.391 
PY  - 2014///
CY  - Chennai
PB  - Scitech Pub.
KW  - 621.391
KW  - Signals
ER  -