@article{oai:repository.dl.itc.u-tokyo.ac.jp:00021134, author = {増子, 昇}, issue = {2}, journal = {生産研究}, month = {Feb}, note = {application/pdf}, pages = {59--59}, title = {研究速報 : 新しい銅製錬方式の提案}, volume = {29}, year = {1977} }