Signals and systems 
Kumar B. 
 -  New age International Limited, Publishers.  2011 
 - xv, 656 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>978-8-12243171-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signal processing.
<br/><br/><label>Dewey Class. No.: </label>621.3822 K9601 2011