Signals and systems 
Nahvi, Mahmood. 
 -  McGraw-Hill Education,  2014 
 - xxiii,1144 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-9-81458186-8 
<br/><br/><label>Dewey Class. No.: </label>621.3822 N154 2014