@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033493, author = {the Party for Seismographic Observation of Matsushiro Earthquakes and the Seismometrical Section}, issue = {3}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Nov}, note = {application/pdf}, pages = {887--917}, title = {Matsushiro Earthquakes Observed with a Temporary Seismographic Network : Part 4}, volume = {45}, year = {1967} }