Couch, Leon W. <br/><br/>
Digital and analog communication systems / Leon W. Couch,II 

 - 7th ed. 
 - Upper Saddle River, NJ : Pearson/Prentice Hall, c2007.  
 - 749 p. : ill. ; 25 cm.  
<br/><br/><label>ISBN: </label>9780132037945 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems   Digital communications  
<br/><br/><label>Dewey Class. No.: </label>621.382 COU