Wallis, T. E. <br/><br/>
Textbook of pharmacognosy / 
by T.E. Wallis. -- 
 - 5th ed. -- 
 - London :  Churchill,  1967 
 - xi, 652 p. :  ill. ;  22 cm 
<br/><br/>Bibliography: p.619-631 
<br/><br/><label>ISBN: </label>9798123908860 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacognosy
<br/><br/><label>Dewey Class. No.: </label>615.32