Sharma , N.D.  <br/><br/>
Audio - video system / 
N.D. Sharma  
 - New Delhi :   Standard publishers and distributors ,   2010. 
 - 240 p. ;  22 cm.  
<br/><br/><label>ISBN: </label>8186308105 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.382	   / SHA/A