@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00013779,
 author = {長沢, 慶郎},
 month = {},
 note = {種別:卒業論文},
 title = {太良鉱山混合鉱（亜鉛・鉛及銅）選鉱計画},
 year = {1918}
}