Couch, Leon W. <br/><br/>
Digital and analog communication systems / 
by Leon W. Couch 
 - 1st ed. 
 - New Delhi:  Dorling Kindersley(India)Pvt. Ltd,  2014. 
 - 676p. 
<br/><br/><label>ISBN: </label>9789332518582 
<br/><br/><label>Dewey Class. No.: </label>D66  / Q4