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) HELLAND-HANSEN B.,Temperature variations in the North Atlantic ocean and in the atmosphere,Smithsonian Misc. Coll.,,,1920,,,,https://cir.nii.ac.jp/crid/1574231875367739520,