@article{oai:ismrepo.ism.ac.jp:00033079,
 author = {増山, 元三郎 and Masuyama, Motosaburo},
 issue = {2},
 journal = {統計数理研究所講究録},
 month = {May},
 pages = {58--61},
 title = {douration curveに現れる母数の一推定法},
 volume = {5},
 year = {1949}
}