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) Shinji Nagaoka and Mitsuru Okuno,Tephrochronology and eruptive history of Kirishima volcano in southern Japan,Quaternary International,1040-6182,Elsevier BV,2011-12,246,1-2,260-269,https://cir.nii.ac.jp/crid/1360567182421908864,https://doi.org/10.1016/j.quaint.2011.06.007