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) EDWARD V. APPLETON,Two Anomalies in the Ionosphere,Nature,0028-0836,Springer Science and Business Media LLC,1946-05-25,157,3995,691-691,https://cir.nii.ac.jp/crid/1361981470115747328,https://doi.org/10.1038/157691a0