@article{oai:ismrepo.ism.ac.jp:00032138,
 author = {多賀, 保志 and Taga, Yasushi},
 issue = {1},
 journal = {統計数理研究所彙報},
 month = {Jun},
 pages = {85--90},
 title = {層別副次抽出法の最良抽出比について},
 volume = {2},
 year = {1954}
}