@article{oai:ismrepo.ism.ac.jp:00032142,
 author = {青山, 博次郎 and Aoyama, Hirojiro},
 issue = {2},
 journal = {統計数理研究所彙報},
 month = {Feb},
 pages = {3--9},
 title = {数量化に於ける標本誤差},
 volume = {2},
 year = {1955}
}