@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024720, author = {白鳥, 英一}, issue = {3}, journal = {生産研究}, month = {Mar}, note = {application/pdf}, pages = {93--93}, title = {実験ノート1 : 眼に見える超音波}, volume = {3}, year = {1951} }