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) Leif Hallbäcken and Carl Olof Tamm,Changes in soil acidity from 1927 to 1982–1984 in a forest area of south‐west Sweden,Scandinavian Journal of Forest Research,0282-7581,Informa UK Limited,1986-01,1,1-4,219-232,https://cir.nii.ac.jp/crid/1360292621455536640,https://doi.org/10.1080/02827588609382413