@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00013628,
 author = {空閑, 貞彦},
 month = {},
 note = {種別:卒業論文},
 title = {Design on Copper metallurgical works of Ikuno Mine（生野鉱山銅鉱製煉計画）},
 year = {1909}
}