Discoveries and Inventions : Inventors and Inventions 
edited by Anil Kumar Tomar, Pallabi B. Tomar 
 - London  Pegasus 
 - 32 p. : col.ill. 
<br/><br/><label>ISBN: </label>9788131912744 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>609 TOM