著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Shuto,Tertiary volcanism of the Northeast Japan arc in view of hypothesis of the spreading of the Japan Sea,Earth Science,,,1989,43,,28,https://cir.nii.ac.jp/crid/1371695769010119936,