@article{oai:air.repo.nii.ac.jp:00004131, author = {Matai, Norio}, journal = {秋田大学教育学部研究紀要 自然科学, Memoirs of the Faculty of Education, Akita University. Natural science}, month = {Feb}, pages = {121--131}, title = {Electrolytic polishing of cupper plate}, volume = {23}, year = {1973} }