@article{oai:barrel.repo.nii.ac.jp:00004079,
 author = {久保田, 顕二},
 journal = {イギリス哲学研究},
 month = {Apr},
 pages = {18--30},
 title = {自然的徳と人為的徳},
 volume = {15},
 year = {1992}
}