@article{oai:repository.dl.itc.u-tokyo.ac.jp:00022879, author = {高橋, 健一}, issue = {7}, journal = {生産研究}, month = {Jul}, note = {application/pdf}, pages = {236--237}, title = {高感度受信機(その2)(カッパ8L・8・9L・9M型)}, volume = {15}, year = {1963} }