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

 - 2nd.  
 - New Delhi,  John Wiley and Sons,  c2005. 
 - xvii, 802 p. ;  ill. ;  24 cm.  
<br/><br/><label>ISBN: </label>9812530568 
<br/><br/><label>Dewey Class. No.: </label>621.3822320