@article{oai:repository.dl.itc.u-tokyo.ac.jp:00034069, author = {爆破地震動研究グループ}, issue = {1}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Jun}, note = {application/pdf}, pages = {79--86}, title = {6. The Fourth Explosion-Seismic Observations in North-Eastern Japan}, volume = {32}, year = {1954} }