Couch, Leon W., <br/><br/>
Digital and analog communication systems / 
Leon W. Couch II 
 - International Edition 
 - xxv, 758 pages :  illustrations ;  23 cm. 
<br/><br/> Include index 
<br/><br/><label>ISBN: </label>9780130896308 0130896306 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Digital communications