@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034047, author = {金井, 清 and 長田, 甲斐男 and 吉沢, 静代}, issue = {4}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Dec}, note = {application/pdf}, pages = {361--370}, title = {26. Observational Study of Earthquake Motion in the Depth of the Ground. V. : The Problem of the Ripple of Earthquake Motion}, volume = {32}, year = {1954} }