@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00046140,
 author = {長谷川, 恭平},
 month = {},
 note = {種別: 実習報告},
 title = {Reports on the Metallurgical Works of Sumitomo-Besshi-Kogyosho（別子銅山報告）． 住友別子鉱業所．},
 year = {1905}
}