Nagrath, I.J Saran, S.N. Etal.  <br/><br/>
Signals and systems  

 - Tata mcgraw hill   New Delhi   2007 
 -  275 
<br/><br/><label>ISBN: </label>0-07-463771-5  
<br/><br/><label>Subjects--Topical Terms: </label><br/>SIGNAL PROCESSING 
<br/><br/><label>Dewey Class. No.: </label>621.382 2 NAG