Evans, William Charles. <br/><br/>
Trease and Evans' pharmacognosy / 
William Charles Evans. 
 - 13th ed.  
 - London :  WB Saunders,  c1989. 
 - 832 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0702013579 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacognosy.
<br/><br/><label>Dewey Class. No.: </label>615.321 EVA