@article{oai:shizuoka.repo.nii.ac.jp:00010818, author = {小川, 賢之輔}, journal = {静岡地学, Shizuoka Chigaku}, month = {May}, note = {application/pdf}, pages = {1--3}, title = {河流による甌穴(ポット・ホール)(2) : 地学散歩(4)}, volume = {22}, year = {1972} }