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) Watanabe H,A rotational strain seismometer,Disaster Prevention Research Institute Bulletin,04547675,Kyoto : Kyoto University,1962-09,,58,????,https://cir.nii.ac.jp/crid/1523669554907603200,