@article{oai:nied-repo.bosai.go.jp:00001644, author = {熊谷 博之}, issue = {137}, journal = {防災科研NEWS}, month = {Oct}, pages = {6--7}, title = {三宅島のカルデラはどうやってできたのだろう?}, year = {2001}, yomi = {クマガイ ヒロユキ} }