Tyler, Varro E., Brady, Lynn R. & Robbers, James E. <br/><br/>
Pharmacognosy 

 - 8th ed 
 - Lea & Febiger, Philadelphia  1981 
 - x,520p 
<br/><br/><label>ISBN: </label>0-8121-0793-4 
<br/><br/><label>Dewey Class. No.: </label>615.321 Tyl