Graham, John <br/><br/>
Jaico dictionary of telecommunicatons 

 - rev ed 
 - Jaico Publishing House, Bombay  1993 
 - x,192 
<br/><br/><label>ISBN: </label>81-7224-138-0 
<br/><br/><label>Dewey Class. No.: </label>R621.3803 Gra