著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Ertel, Hans and Schröder, Wilfried and Treder, Hans Jürgen and International Association of Geomagnetism and Aeronomy. Interdivisional Commission on History",Ertel's potential vorticity,,Interdivisional Commission on History of IAGA : History Commission of the German Geophysical Society,1997,Mitteilungen des Arbeitskreises Geschichte der Geophysik,,,,https://cir.nii.ac.jp/crid/1130282270906918016