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) R. Monreal MacMahon and C. Llop-Romero,Ring current decay time model during geomagnetic storms: a simple analytical approach,Annales Geophysicae,1432-0576,Copernicus GmbH,2008-09-03,26,9,2543-2550,https://cir.nii.ac.jp/crid/1362262943907100544,https://doi.org/10.5194/angeo-26-2543-2008