Sapna Katiyar <br/><br/>
Advanced communication system / 
Katiyar Sapna 
 - New Delhi  :  2008 
 - 444 pages  24 cm. 
<br/><br/><label>ISBN: </label>9789380027210 (pbk) 
<br/><br/><label>Dewey Class. No.: </label>621.382 KAT-A 2008 1567