@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00046120, author = {頼尊, 淵之助}, month = {}, note = {種別: 実習報告, 補記タイトルは和訳}, title = {Report of Yubari Colliery. [夕張炭山報告]}, year = {1903} }