@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00011431,
 author = {阪元, 俊雄},
 month = {},
 note = {種別:卒業論文},
 title = {直流電車電動機発熱ノ研究 ／ A Short Study on the Heating of Railway Motor},
 year = {1911}
}