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

 - 7th ed. 
 - Prentice Hall of India. Private Limited  New delhi  2007 
 - 751p. 
<br/><br/><label>ISBN: </label>978-81-203-3411-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Tel communication systems.
<br/><br/><label>LC Class. No.: </label>SBL TK 5101   / C68 2007