Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Schultz, Otto-Erich and Zymalkowski, F.",Die quantitative Bestimmung der Alkaloide in Drogen und Drogenzubereitungen,,F. Enke,1960,Die chemische Analyse,,,,https://cir.nii.ac.jp/crid/1130282270107343872