@article{oai:ismrepo.ism.ac.jp:00032863,
 author = {小河原, 正巳 and Ogawara, Masami},
 issue = {14},
 journal = {統計数理研究所講究録},
 month = {Jan},
 pages = {397--406},
 title = {信頼限界による百分率の差の略式檢定法},
 volume = {1},
 year = {1945}
}