Kumar, A.  Anand <br/><br/>
Signals and systems 

 - 3rd 
 - Delhi :  PHI Learning Pvt. Ltd,  2013 
 - xxii, 1022p. 
<br/><br/><label>ISBN: </label>9788120348400 
<br/><br/><label>Dewey Class. No.: </label>621.3822 K9601s3