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, Tokuji","Aftershocks and Earthquake Statistics (4) : Analyses of the Distribution of Earthquakes in Magnitude, Time and Space with Special Consideration to Clustering Characteristics of Earthquake Occurrence(2)","Journal of the Faculty of Science, Hokkaido University. Series 7, Geophysics",,Hokkaido University,1972-12-25,4,1,1-42,https://cir.nii.ac.jp/crid/1050564288927790592,