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) Takesi Nagata and Y. Arai and K. Momose,Secular Variation of the Geomagnetic Total Force during the Last 5000 Years,Journal of Geophysical Research,0148-0227,American Geophysical Union (AGU),1963-09-15,68,18,5277-5281,https://cir.nii.ac.jp/crid/1361137046370756608,https://doi.org/10.1029/j.2156-2202.1963.tb00005.x