@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033894, author = {松本, 英照}, issue = {2}, journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo}, month = {Aug}, note = {application/pdf}, pages = {375--380}, title = {全商用交流電源簡易電子地震計}, volume = {37}, year = {1959} }