@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023853, author = {丹羽, 登 and 奥野, 裕}, issue = {11}, journal = {生産研究}, month = {Nov}, note = {application/pdf}, pages = {391--395}, title = {超音波流速計および液面計}, volume = {8}, year = {1956} }