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) A. DOUGLAS,Joint Epicentre Determination,Nature,0028-0836,Springer Science and Business Media LLC,1967-07,215,5096,47-48,https://cir.nii.ac.jp/crid/1362262945665703552,https://doi.org/10.1038/215047a0