Couch, Leon W <br/><br/>
Digital and analog communication systems 
Leon W Couch,  
 - 7th ed 
 -  c2009. 
<br/><br/><label>ISBN: </label>9788131725436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems--ME
<br/><br/><label>Dewey Class. No.: </label>621.382 COU