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)
UTSU T.,A statistical study on the occurrence of aftershocks,Geophys. Mag.,,,1961,30,,521-605,https://cir.nii.ac.jp/crid/1572261550806321280,