@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024854,
 author = {生産技術史研究室},
 issue = {7},
 journal = {生産研究},
 month = {Jul},
 note = {application/pdf},
 pages = {318--319},
 title = {技術史ノート7 : 指金とSteel Square},
 volume = {2},
 year = {1950}
}