@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024864, author = {高木, 昇 and 尾上, 守夫}, issue = {6}, journal = {生産研究}, month = {Jun}, note = {application/pdf}, pages = {264--266}, title = {水晶共振子1箇を用いた帶域濾波器の設計圖表 : 受信機中間周波增巾器の選擇度向上のために}, volume = {2}, year = {1950} }