Tyler, Varro E. <br/><br/>
Pharmacognosy  / 
Varro E. Tyler, Lynn R. Brady and James E. Robbers. 
 - 7th ed. 
 - Philadelphia:   Lea & Febiger,   1976. 
 - x, 537p. 
<br/><br/><label>ISBN: </label>0812105680 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacognosy
<br/><br/><label>Dewey Class. No.: </label>615.321 T97P