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 "Ault, J. P. and Mauchly, S. J. and Peters, P. W. J. (Paul W. J.)","Ocean magnetic and electric observations, 1915-1921",,Carnegie Institution of Washington,1926,Researches of the Department of Terrestrial Magnetism,,,,https://cir.nii.ac.jp/crid/1130282269441357952