@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00044455,
 author = {太田, 庫太 and 岡積, 重吉},
 month = {},
 note = {種別: 実習報告},
 title = {小坂鑛山 ． Report of Excursion to Kosaka-Mine},
 year = {1902}
}