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) BURTON J. C.,Nodulation and symbiotic nitrogen fixation by prairie legumes,Midwest Prairie Conference,,,1972,,,116-121,https://cir.nii.ac.jp/crid/1573105974973576064,