00274nam a2200109Ia 450000500170000000800410001708200140005810000190007224500320009126000330012330000080015620260224040758.0260224s9999||||xx |||||||||||||| ||und||  a615.3 DEN  aDenston, T.C.  2aA textbook of pharmacognosy  aLondon: Pitman & Sons,c1951  a637