@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00046104,
 author = {ライ, ラマカント},
 month = {},
 note = {種別: 実習報告},
 title = {The Report of the Yubari Coal Mine， Hokkaido． [夕張炭坑報告） ＊．},
 year = {1901}
}