@article{oai:ismrepo.ism.ac.jp:00032200,
 author = {青山, 博次郎 and Aoyama, Hirojiro},
 issue = {1},
 journal = {統計数理研究所彙報},
 month = {Jun},
 pages = {1--10},
 title = {教育統計の諸問題(II)},
 volume = {5},
 year = {1957}
}