Evans, William Charles Trease and Evans pharmacognosy / William Charles Evans - 16th ed. - Edinburgh : Saunders/Elsevier, c2009. - vi, 603 p. : ill. ; 28 cm. ISBN: 9780702029349 LCCN: Subjects--Topical Terms: Pharmacognosy LC Class. No.: RS160 / .T75 2009