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) Okuda A,"Nitrogen-fixing microorganisms in paddy soils,pt.6",Soil and Plant Food,03712028,Tokyo : Society of the Science of Soil and Manure,1960-11,6,2,????,https://cir.nii.ac.jp/crid/1523669554472661120,