@article{oai:ismrepo.ism.ac.jp:00033237,
 author = {多賀, 保志 and Taga, Yasushi},
 issue = {12},
 journal = {統計数理研究所講究録},
 month = {Mar},
 pages = {499--501},
 title = {郵便調査について(第三部)},
 volume = {7},
 year = {1952}
}