Haykin, Simon and Veen, Barry Van. <br/><br/>
Signals and systems / 

 - 2nd. 
 - New Delhi,  Wiley,  c2008. 
 - xvii, 802 p. ;  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>9788126512658 
<br/><br/><label>Dewey Class. No.: </label>621.3822320