Leon W. Couch II <br/><br/>
Digital & Analog Communication Systems 

 - 
 -  Prentice-Hall  1997 
 - 742 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-13-5999028-9 
<br/><br/><label>Dewey Class. No.: </label>621.39