@article{oai:repository.dl.itc.u-tokyo.ac.jp:00021312, author = {片山, 恒雄}, issue = {5}, journal = {生産研究}, month = {May}, note = {application/pdf}, pages = {185--195}, title = {研究解説 : 地震活動度・危険度の確率論的な考え方}, volume = {27}, year = {1975} }