@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024859, author = {安藝, 皎一}, issue = {6}, journal = {生産研究}, month = {Jun}, note = {application/pdf}, pages = {253--253}, title = {論説 : 資源・生産水準・研究}, volume = {2}, year = {1950} }