United Nations Industrial Development Organization   <br/><br/>
Information sources on essential oils  (Book) 

 - New York  United Nations  1981 
 - 79p.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Essential oils
<br/><br/><label>Universal Decimal Class. No.: </label>547.913:016 UNI  / 6476