@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023535, author = {永井, 芳男 and 白沢, 謙}, issue = {11}, journal = {生産研究}, month = {Nov}, note = {application/pdf}, pages = {353--357}, title = {プラスチックの着色について}, volume = {10}, year = {1958} }