@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024439,
 author = {植村, 恒義 and 菅谷, 勝彦},
 issue = {9},
 journal = {生産研究},
 month = {Sep},
 note = {application/pdf},
 pages = {345--349},
 title = {ヒナの雌雄鑑別器},
 volume = {4},
 year = {1952}
}