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 "Hazard, Daniel L. and United States. Dept. of Commerce. Coast and Geodetic Survey","Magnetic declination in the United States for January 1, 1920",,Government Printing Office,1922,Special publication,,,,https://cir.nii.ac.jp/crid/1130282272499542016