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) Akio Fujiwara and Matsubei Wako,A newly devised method for soil colloidal fractionation,"Reports of the Institute for Agricultural Research, Tohoku University",00824666,Sendai : Institute for Agricultural Research,1951-03,,3,51-65,https://cir.nii.ac.jp/crid/1520290882330443008,