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) HOBBS B. A.,Calculation of the effect of the oceans on geomagnetic variations with an application to the Sq field during the IGY,J. Geophys.,,,1979,46,,273-289,https://cir.nii.ac.jp/crid/1571135651460957056,