Couch, Leon W. <br/><br/>
Digital and analog communication systems 

 - 6th Ed. 
 - South Asia  Pearson Education Pvt. Ltd.  2001 
 - 758 
<br/><br/><label>ISBN: </label>9788178083285 
<br/><br/><label>Dewey Class. No.: </label>621.382 COU