Inventions and discoveries 
Inventions and discoveries 
 -  "[32p.]. col.ill. ;10.7 x 0.2 x 8.7 inches, hbk." 
 - New Delhi  Sterling Publishers Private Limited  2011 
<br/><br/><label>ISBN: </label>9788120762251 
<br/><br/><label>Dewey Class. No.: </label>608 INV  / 22.608 INV