@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024839,
 author = {古川, 浩},
 issue = {8},
 journal = {生産研究},
 month = {Aug},
 note = {application/pdf},
 pages = {355--355},
 title = {速報39 : 時計用ひげぜんまいの非直線性},
 volume = {2},
 year = {1950}
}