Blake, Roy <br/><br/>
Electronic communication systems 
Roy Blake. 
 - 2nd ed.. 
 - New Delhi  Cengage Learning India  c2002. 
 - xx, 985p.; 24cm. 
<br/><br/><label>ISBN: </label>9788131503072 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems Computer networks  Electronic computers  Electronic appliances and apparatus. 
<br/><br/><label>Dewey Class. No.: </label>621.382  / B60E