@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034123, author = {金井, 淸}, issue = {1}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Apr}, note = {application/pdf}, pages = {31--37}, title = {Relation between the Nature of Surface Layer and the Amplitudes of Earthquake Motions}, volume = {30}, year = {1952} }