@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00014680,
 author = {工藤, 賢次},
 month = {},
 note = {種別:卒業論文},
 title = {飯塚炭礦採炭實情の多角的考察 飯塚炭礦採炭計画},
 year = {1944}
}