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) J.D. Mathews,Sporadic E: current views and recent progress,Journal of Atmospheric and Solar-Terrestrial Physics,1364-6826,Elsevier BV,1998-03,60,4,413-435,https://cir.nii.ac.jp/crid/1361981470151609984,https://doi.org/10.1016/s1364-6826(97)00043-6