@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00046375,
 author = {実川, 兌三},
 month = {},
 note = {種別: 実習報告},
 title = {足尾銅山本山採鉱及選鉱報告 [附図共2冊]．},
 year = {1919}
}