@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00046244,
 author = {古谷, 金一郎},
 month = {},
 note = {種別: 実習報告},
 title = {三井田川炭礦本坑報告文 [附図共2冊]．},
 year = {1911}
}