Wallis, T.E. Textbook of pharmacognosy by T.E. Wallis. - 5th ed.. - New Delhi CBS Publishers 2005 - xi,652p.: ill.; 22cm. ISBN: 8123908865 Subjects--Topical Terms: Pharmacognosy Drug - Pharmacy Materia medica. Dewey Class. No.: 615.321 / W16T