@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034975,
 author = {Takahasi, Ryutaro},
 issue = {2},
 journal = {東京帝國大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, Tokyo Imperial University},
 month = {Jun},
 note = {application/pdf},
 pages = {143--152},
 title = {Preliminary Report on the Observation of the Tilting of the Earth's Crust with a Pair of Water Pipes},
 volume = {8},
 year = {1930}
}