@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00014597,
 author = {宇賀神, 晃男},
 month = {},
 note = {種別:卒業論文},
 title = {三池砿業所四ツ山坑東部内深部採炭開発計画},
 year = {1942}
}