Blake, Roy. <br/><br/>
Electronic communication systems / 
Roy Blake. 
 - 2nd ed. 
 - New Delhi :  Cengage,  c 2011. 
 - xx, 985 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>338  338 
<br/><br/><label>ISBN: </label>978-81-315-0307-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics Communication.
<br/><br/><label>Dewey Class. No.: </label>621.382 / B58e