[1] 2024-05-31T12:55:21.00Z https://otani.repo.nii.ac.jp/record/1852/files/%E5%A4%A7%E8%B0%B7%E5%AD%B8%E5%A0%B1%20%E7%AC%AC63%E5%B7%BB%E7%AC%AC4%E5%8F%B7-5%E5%A4%A7%E5%86%85.pdf