@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024524, author = {鳥飼, 安生 and 根岸, 勝雄}, issue = {3}, journal = {生産研究}, month = {Mar}, note = {application/pdf}, pages = {85--89}, title = {超音波の映像}, volume = {4}, year = {1952} }