Nagrath, I. J. <br/><br/>
Signals and systems / 

 - 2nd 
 - New Delhi:  Tata McGraw- Hill,  c.2009. 
 - xii, 635 p., 
<br/><br/><label>ISBN: </label>9780070141094 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signal process.
<br/><br/><label>Dewey Class. No.: </label>621.3822