Couch, Leon W. <br/><br/>
Digital and analog communication system 
Leon W. Couch 
 - 6th ed. 
 - Singapore:  Pearson Education,  2001 
 -  774p. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>8178083280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Digital communication
<br/><br/><label>Dewey Class. No.: </label>621.382  / COD