@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024082, author = {岡本, 舜三 and 清宮, 勝行}, issue = {5}, journal = {生産研究}, month = {May}, note = {application/pdf, p.116ページに表紙の説明文あり}, pages = {116--116}, title = {研究速報 : 地震計の自働起動装置の試作}, volume = {7}, year = {1955} }