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) Shun‐Rong Zhang and John M. Holt,"Long‐term ionospheric cooling: Dependency on local time, season, solar activity, and geomagnetic activity",Journal of Geophysical Research: Space Physics,2169-9380,American Geophysical Union (AGU),2013-06,118,6,3719-3730,https://cir.nii.ac.jp/crid/1361418519217590912,https://doi.org/10.1002/jgra.50306