@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00046155,
 author = {民内, 茂一郎},
 month = {},
 note = {種別: 実習報告},
 title = {吉岡鉱山報文（本文1冊、附図1冊）． 吉岡鉱山． 明38．7．21-10．5},
 year = {1906}
}