@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023400, author = {山本, 尚志}, issue = {9}, journal = {生産研究}, month = {Sep}, note = {application/pdf}, pages = {474--475}, title = {研究速報 : 可変型定電圧装置}, volume = {11}, year = {1959} }