Couch, Leon W. <br/><br/>
Digital and analog communication systems / 
Leon W. Couch II. 
 - 5th ed. 
 - Upper Saddle River, NJ :  Prentice Hall,  c1997. 
 - xxv, 742 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0135225833 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.<br/>Digital communications.