Esto, Rey. <br/><br/>
World scientists and inventors for the students :  with pictures and biographies for their inventions and discoveries / 
by Rey Esto. 
 - =s.l.= 
 -  R.E. Books Marketing,  1989. 
 - v. 
<br/><br/> Cover title. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientists--Biography.<br/>Inventors--Biography.<br/>Inventions.