著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Omura Satoshi,The structures of leucomycin A4 A5 A6 A7 A8 and A9(Communications to the editors),Journal of Antibiotics. Ser. A,03681173,Tokyo : Japan Antibiotics Research Association,1967-07,20,4,234-235,https://cir.nii.ac.jp/crid/1521136278496772096,