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) S.S. Sazhin and M. Hayakawa,Periodic and quasiperiodic VLF emissions,Journal of Atmospheric and Terrestrial Physics,0021-9169,Elsevier BV,1994-05,56,6,735-753,https://cir.nii.ac.jp/crid/1362825893604167680,https://doi.org/10.1016/0021-9169(94)90130-9