@article{oai:niigata-u.repo.nii.ac.jp:00030623, author = {石沢, 進}, journal = {新潟県植物保護, 新潟県植物保護}, month = {Jan}, pages = {12--12}, title = {ダム建設に当たって再検討の必要性}, volume = {27}, year = {2000} }