Wallis, T. E. Textbook of Pharmacognosy / T. E. Wallis. - Fifth Edition. - New Delhi : CBS, 1985. - XI, 652 Pages: ILLustrations ; 24 cm. ISBN: 9798123908860 Subjects--Topical Terms: PharmacognosyFarmacognosia Dewey Class. No.: 615.321 / WTT