Orbeta, Ramon Nepomuceno  <br/><br/>
Scientists & inventors 

 - vii, 104 p. :  photos 
<br/><br/><label>ISBN: </label>9718855092 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientists--Biography<br/>Inventors--Biography
<br/><br/><label>Index Terms--Genre/Form: </label>
<br/><br/><label>Dewey Class. No.: </label>925