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) Y. Kamide and N. Yokoyama and W. Gonzalez and B. T. Tsurutani and I. A. Daglis and A. Brekke and S. Masuda,Two‐step development of geomagnetic storms,Journal of Geophysical Research: Space Physics,0148-0227,American Geophysical Union (AGU),1998-04,103,A4,6917-6921,https://cir.nii.ac.jp/crid/1361699994144639232,https://doi.org/10.1029/97ja03337