@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024021, author = {山辺, 武郎}, issue = {10}, journal = {生産研究}, month = {Oct}, note = {application/pdf}, pages = {237--241}, title = {海塩工業とイオン交換樹脂}, volume = {7}, year = {1955} }