@article{oai:niigata-u.repo.nii.ac.jp:00025325, author = {中山, 輝也}, journal = {新潟応用地質研究会誌, 新潟応用地質研究会誌}, month = {Jun}, pages = {8--9}, title = {30年を足掛りに21世紀へ}, volume = {38}, year = {1992} }