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)
MULLER G.,Index of geoaccumulation in sediments of the Rhine River,Geojournal,,,1969,2,,108-118,https://cir.nii.ac.jp/crid/1571135650738121472,