Wallis, T.E. <br/><br/>
Textbook of pharmacognosy  T.E. Wallis. 

 - 4th ed. 
 - London  J and A Churchill  1960 
 - xi, 640p.: ill. 22cm. 
<br/><br/><label>Dewey Class. No.: </label>615.321  / W16T