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) Seiki Asari and Vincent Lesur and Mioara Mandea,Geomagnetic secular variation violating the frozen-flux condition at the core surface,"EPS : Earth, Planets and Space",13438832,Tokyo : Terra Scientific Pub. Co,2010,62,9,693-709,https://cir.nii.ac.jp/crid/1520854805561012352,