@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024889, author = {生産技術史研究室}, issue = {5}, journal = {生産研究}, month = {May}, note = {application/pdf}, pages = {246--247}, title = {技術史ノート5 : 寫眞の發逹}, volume = {2}, year = {1950} }