Couch, Leon W., <br/><br/>
Digital and analog communication systems 
by Leon W. Couch 
 - 8th ed. 
 - New Delhi  Pearson  2014 
 - 676p.:  23 cm. 
<br/><br/><label>ISBN: </label>9789332518582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication system
<br/><br/><label>Dewey Class. No.: </label>621.38