@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00043891, author = {山本, 昌造}, month = {}, note = {種別: 実習報告, タイトル中の実習場所・実習期間等は本文中より}, title = {On Portland Cement and Its Coating in Shipbuilding and Bitumastic Group and Its Coating. [長崎三菱]}, year = {1914} }