@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034875,
 author = {Tsuya, Hiromichi},
 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 = {864--875},
 title = {On Some Pebbles collected from the Floor of the Japan Sea},
 volume = {10},
 year = {1932}
}