@article{oai:nied-repo.bosai.go.jp:00001633, author = {岡田 義光}, issue = {136}, journal = {防災科研NEWS}, month = {Jul}, pages = {2--3}, title = {関東・東海微小地震観測網の20年間の稼動実績}, year = {2001}, yomi = {オカダ ヨシミツ} }