Couch, Leon W. <br/><br/>
Digital and analog communication systems / 
Leon W. Couch. 
 - 2nd ed. 
 - London:  Collier Macmillan,  1987. 
 - xxxii, 731 p.:  ill. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems<br/>Digital communication
<br/><br/><label>Dewey Class. No.: </label>621.38 COU