@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034937,
 author = {[著者名なし]},
 issue = {4},
 journal = {東京帝國大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, Tokyo Imperial University},
 month = {Dec},
 pages = {509--513},
 title = {地震關測報告},
 volume = {9},
 year = {1931}
}