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) Hayashi T,"On the components of soil humic acids,pt.8",Soil and Plant Food,03712028,Tokyo : Society of the Science of Soil and Manure,1961-03,6,4,????,https://cir.nii.ac.jp/crid/1523388080794518272,