Couch, Leon W. <br/><br/>
Digital and analog communication systems  [[Book] /] 
Leon W. Couch II. 
 - 6th ed. 
 - India  :  pearson Education ,inc.,  2001. 
 - 774 p. :  ill ;  25 cm. 
 - low price edition .
<br/><br/>Includes bibliographical references (p. 716-728) and index. 
<br/><br/> All Ages. 
<br/><br/><label>ISBN: </label>8178083280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.<br/>Digital communications.
<br/><br/><label>Dewey Class. No.: </label>621.382 
<br/><br/><label>National Library of Medicine Call No.: </label> / C D