@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00011699,
 author = {上野, 貞亮},
 month = {},
 note = {種別:卒業論文},
 title = {Comparison of the electric ship propulsion with the geared turbine system considering with the superiority of the stal turbine},
 year = {1920}
}