Vaughn, R.S. <br/><br/>
Illustrated Science Encyclopedia 24 Vols. Set / 
Vaughn R.S. 
 -  Raintree  ,  1997 
<br/><br/><label>ISBN: </label>081723943x 
<br/><br/><label>Dewey Class. No.: </label>503.21  / VAU