@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023525,
 author = {石橋, 泰雄 and 市川, 初男},
 issue = {12},
 journal = {生産研究},
 month = {Dec},
 note = {application/pdf},
 pages = {397--399},
 title = {超音波濃度計},
 volume = {10},
 year = {1958}
}