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) T. E. VanZandt and W. L. Clark and J. M. Warnock,Magnetic apex coordinates: A magnetic coordinate system for the ionosphericF2layer,Journal of Geophysical Research,0148-0227,American Geophysical Union (AGU),1972-05-01,77,13,2406-2411,https://cir.nii.ac.jp/crid/1363670318914815744,https://doi.org/10.1029/ja077i013p02406