Guenther, Ernest. <br/><br/>
The Essential oils / 
Ernest Guenther and Darrell Althausen. 
 - New York :  D. Van Nostrand,  c 1949. 
 - Vols ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>V. 2-The constituents of essential oils ; 
<br/><br/>346  346 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oils.
<br/><br/><label>Dewey Class. No.: </label>668.5 / G935e