@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023686, author = {瓜本, 信二}, issue = {11}, journal = {生産研究}, month = {Nov}, note = {application/pdf}, pages = {440--441}, title = {自動追跡レーダ装置 2. : Range Unit}, volume = {9}, year = {1957} }