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) SUGAHARA I.,Microbiological studies on nitrogen fixation in aquatic environments-VI.On the in situ nitrogen fixation in water regions,Nippon Suisan Gakkaishi,,,1971,37,,1093-1099,https://cir.nii.ac.jp/crid/1570572699253656192,