Wright, Herbert <br/><br/>
Para Rubber 

 - Colombo  Messrs. A.M. & J. Ferguson  1905 
 -  p.106.:pic.:ill. 
<br/><br/><label>Subjects--Index Terms: </label>Hevea Brasiliensis 
<br/><br/><label>Universal Decimal Class. No.: </label>633.912  / DOA