Sethi,Yogesh <br/><br/>
Telephone inventor: Graham Bell/by Yogesh Sethi 

 - Jaipur  Chaudhary associates  2005 
 - 32p. 
<br/><br/><label>ISBN: </label>8189298011 
<br/><br/><label>Dewey Class. No.: </label>925  S75T