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) Yugo Nakamura,"Stratigraphy, distribution, and petrographic properties of Holocene tephras in Hokkaido, northern Japan",Quaternary International,1040-6182,Elsevier BV,2016-03,397,,52-62,https://cir.nii.ac.jp/crid/1361699994410801536,https://doi.org/10.1016/j.quaint.2015.07.056