@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034361,
 author = {坪井, 忠二 and 宮村, 攝三 and 桑原, 友三郎},
 issue = {3},
 journal = {東京帝國大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, Tokyo Imperial University},
 month = {Nov},
 note = {application/pdf},
 pages = {297--315},
 title = {26. 地磁氣の變動と月齡},
 volume = {20},
 year = {1942}
}