@article{oai:shizuoka.repo.nii.ac.jp:00010546,
 author = {半田, 孝司},
 journal = {静岡地学},
 month = {Jun},
 note = {application/pdf},
 pages = {i--iii},
 title = {三宅島の噴火（地学散歩(29)）},
 volume = {49},
 year = {1984}
}