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) Suzuki,Middle Pleistocene tephrostratigraphy of C9001 core drilled by CHIKYU off Shimokita peninsula and its application for in,Jpn. Geosci. Union Meet.,,,2012,2012,,,https://cir.nii.ac.jp/crid/1373946554702249097,