Couch, Leon W., <br/><br/>
Digital and analog communication systems  
Leon W. Couch 
 - 6. ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  cop. 2001 
 - xxv, 758 s. :  ill. ;  25cm 
<br/><br/> Previous ed: 1997 
<br/><br/><label>ISBN: </label>0-13-081223-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Digital communications<br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.382