@article{oai:nagoya.repo.nii.ac.jp:00019422, author = {大島, 信太郎 and 岩井, 章 and 伊藤, 吉之助}, issue = {1}, journal = {空電研究所報告}, month = {Mar}, pages = {54--62}, title = {空電方位測定機について}, volume = {1}, year = {1951} }