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) Yaguchi Muga and Ohba Takeshi and Sago Masakazu,"The nature and source of the volcanic ash during the 2015 small phreatic eruption at Hakone volcano, central Japan",GEOCHEMICAL JOURNAL,00167002,一般社団法人日本地球化学会,2019,53,3,209-217,https://cir.nii.ac.jp/crid/1390001288145330048,https://doi.org/10.2343/geochemj.2.0560