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) D. J. Williams,Phase space variations of near equatorially mirroring ring current ions,Journal of Geophysical Research: Space Physics,0148-0227,American Geophysical Union (AGU),1981-01,86,A1,189-194,https://cir.nii.ac.jp/crid/1360292619989155200,https://doi.org/10.1029/ja086ia01p00189