@article{oai:repository.dl.itc.u-tokyo.ac.jp:00035001, author = {Matuzawa, Takeo and Yamada, Kunitika and Suzuki, Takeo}, 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 = {Sep}, pages = {241--260}, title = {On the Forerunners of Earthquake-motions (The Second Paper.)}, volume = {7}, year = {1929} }