@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033923, author = {Aki, Keiiti and Tsujiura, Masaru and Hori, Minoru and Goto, Kenichi}, issue = {2}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Jul}, note = {application/pdf}, pages = {71--98}, title = {Spectral Study of Near Earthquake Waves (1)}, volume = {36}, year = {1958} }