@article{oai:shizuoka.repo.nii.ac.jp:00010180,
 author = {北川, 光雄},
 journal = {静岡地学},
 month = {Nov},
 note = {application/pdf},
 pages = {i--iii},
 title = {芝川とポットホール (地学散歩(58))},
 volume = {78},
 year = {1998}
}