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. J. Freed and C. T. Russell,Travel time classification of extreme solar events: Two families and an outlier,Geophysical Research Letters,0094-8276,American Geophysical Union (AGU),2014-10-07,41,19,6590-6594,https://cir.nii.ac.jp/crid/1362825894890146304,https://doi.org/10.1002/2014gl061353