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 "Watson, R. A. and Mauritius. Royal Alfred Observatory",Disturbed and quiet day variations of magnetic force 1916-26 at Mauritius,,[s.n.],1926,Miscellaneous publications of the Royal Alfred Observatory,,,,https://cir.nii.ac.jp/crid/1130000796952513024