@misc{oai:repository.dl.itc.u-tokyo.ac.jp:00046181, author = {池田, 謙三}, month = {}, note = {種別: 実習報告}, title = {Report on Osaruzawa Mine, 1908, Part Ⅰ-Ⅲ. [尾去沢鉱山報告) [附図共4冊].}, year = {1908} }