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) Takao Kumazawa and Yosihiko Ogata and Shinji Toda,Wide-area seismicity anomalies before the 2011 Tohoku–Oki earthquake,Geophysical Journal International,0956-540X,Oxford University Press (OUP),2020-08-05,223,2,1304-1312,https://cir.nii.ac.jp/crid/1360009142743748864,https://doi.org/10.1093/gji/ggaa356