@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034502,
 author = {Hayakawa, Masami},
 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},
 pages = {423--428},
 title = {26. The Most Suitable Formula for Gravity Values in Tyosen,Japan},
 volume = {17},
 year = {1939}
}