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) Luboš Borůvka and Oldřich Vacek and Jan Jehlička,Principal component analysis as a tool to indicate the origin of potentially toxic elements in soils,Geoderma,0016-7061,Elsevier BV,2005-10,128,3-4,289-300,https://cir.nii.ac.jp/crid/1363670319209193728,https://doi.org/10.1016/j.geoderma.2005.04.010