Weiss, Harvey  <br/><br/>
Inventios and inventors / 
Harvey Weiss, Eloisa C. Opena. 
 - Manila :   The Grade School, Inc.,   2010. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions and inventors.<br/>Scientists.
<br/><br/><label>Dewey Class. No.: </label>Per. 370.71’051 M689 2010/2011