Rameshbabu  P: Anandanatarajan , R <br/><br/>
Signals and systems 

 - 4 
 -   Scitech Publications (India) Pvt. Ltd., Chennai  2011 
<br/><br/><label>ISBN: </label>2094 
<br/><br/><label>Dewey Class. No.: </label>621.3822  BAB-S4