@article{oai:niigata-u.repo.nii.ac.jp:00025083, author = {沼宮内, 信}, journal = {新潟応用地質研究会誌, 新潟応用地質研究会誌}, month = {Dec}, pages = {27--32}, title = {落石対策工検討箇所調査事例}, volume = {71}, year = {2008} }