@article{oai:niigata-u.repo.nii.ac.jp:00030740, author = {石沢, 進}, journal = {新潟県植物保護, 新潟県植物保護}, month = {Sep}, pages = {10--16}, title = {飯豊連峰の森林生態系保護地域}, volume = {12}, year = {1992} }