@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024958, author = {大澤, 眞人}, issue = {2}, journal = {生産研究}, month = {Feb}, note = {application/pdf}, pages = {63--63}, title = {トピック : 輕金屬材料のニューフェイス}, volume = {2}, year = {1950} }