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) G. Le and C. T. Russell and K. Takahashi,Morphology of the ring current derived from magnetic field observations,Annales Geophysicae,1432-0576,Copernicus GmbH,2004-04-02,22,4,1267-1295,https://cir.nii.ac.jp/crid/1362262945005727232,https://doi.org/10.5194/angeo-22-1267-2004