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) 日置 幸介,GPS observations of increases in ionospheric total electron contents associated with solar flares,J. Geod. Soc. Japan 52,,,2007,,,319-328,https://cir.nii.ac.jp/crid/1010282256917096839,