@article{oai:ismrepo.ism.ac.jp:00033031,
 author = {増山, 元三郎 and Masuyama, Motosaburo},
 issue = {11},
 journal = {統計数理研究所講究録},
 month = {Feb},
 pages = {421--424},
 title = {ZIGZAG抽出法},
 volume = {4},
 year = {1949}
}