@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024982, author = {高木, 昇 and 尾上, 守夫}, issue = {1}, journal = {生産研究}, month = {Jan}, note = {application/pdf}, pages = {33--33}, title = {速報6 : 水晶共振子1箇を用いた狹帶域濾波器}, volume = {2}, year = {1950} }