@article{oai:niigata-u.repo.nii.ac.jp:00025302,
 author = {堀田, 亨},
 journal = {新潟応用地質研究会誌, 新潟応用地質研究会誌},
 month = {Dec},
 pages = {83--85},
 title = {自然史的な視点で自然調和を考えた一日},
 volume = {43},
 year = {1994}
}