@article{oai:kochi.repo.nii.ac.jp:00005180, author = {片岡, 一郎 and 小野, 敏}, issue = {2}, journal = {高知大学学術研究報告 農学編}, month = {}, note = {application/pdf}, pages = {15--32}, title = {高位・中位段丘赤色土の鉄の形態-枦山台地}, volume = {23}, year = {1974} }