@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024631, author = {千々岩, 健兒}, issue = {8}, journal = {生産研究}, month = {Aug}, note = {application/pdf}, pages = {297--301}, title = {新しい鑄鐵 : 球状黒鉛鑄鐵}, volume = {3}, year = {1951} }