Digital and analog communication systems/ 
Leon W. Couch 
 - Fifth edition 
 - New Jersey:  Prentice-Hall,  1997. 
 - xxv, 724 pages;  24 cm. 
<br/><br/> Includes index<br/> 
<br/><br/><label>ISBN: </label>0135990289 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Digital communications
<br/><br/><label>LC Class. No.: </label>Circ TK 5101 .C68 1997