Couch, Leon W. <br/><br/>
Digital and Analog Communication Systems 
by Leon W. Couch 
 - 6th ed. 
 - Delhi:  Pearson Education,  2001. 
 - xxv, 758p. 
<br/><br/><label>ISBN: </label>8178083280 9788178083285 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital Communication
<br/><br/><label>Dewey Class. No.: </label>621.382 COU