@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00044548,
 author = {長塩, 熙 and 大和, 三太郎 and 田代, 榮重},
 month = {},
 note = {種別: 実習報告},
 title = {新入炭坑 ． Report on Shinnu Colliery},
 year = {1909}
}