@article{oai:bunkyo.repo.nii.ac.jp:00007625, author = {鈴木, 健司}, journal = {文教大学国文}, month = {2019-03-15, 2020-08-25}, pages = {1--7}, title = {宮沢賢治はなぜ「南昌山」で水晶を採取できたのか}, volume = {48}, year = {} }