@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00045929, author = {桑田, 仁}, month = {}, note = {種別: 実習報告}, title = {夏期実習報告. 東邦瓦斯株式会社名古屋工場. 昭3.7.14-7.30.}, year = {1929} }