@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034769, author = {Miyabe, Naomi}, issue = {1}, journal = {東京帝國大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, Tokyo Imperial University}, month = {Mar}, note = {application/pdf}, pages = {155--170}, title = {A Statistical Study of the Ito Earthquake Swarms}, volume = {13}, year = {1935} }