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) C. Arras and C. Jacobi and J. Wickert,Semidiurnal tidal signature in sporadic E occurrence rates derived from GPS radio occultation measurements at higher midlatitudes,Annales Geophysicae,1432-0576,Copernicus GmbH,2009-06-24,27,6,2555-2563,https://cir.nii.ac.jp/crid/1361699994195932160,https://doi.org/10.5194/angeo-27-2555-2009