@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024280, author = {齋藤, 成文}, issue = {11}, journal = {生産研究}, month = {Nov}, note = {application/pdf}, pages = {272--272}, title = {電力線搬送におけるブロック裝置の現場実験}, volume = {5}, year = {1953} }