@article{oai:ismrepo.ism.ac.jp:00033097,
 author = {西平, 重喜 and Nisihira, Sigeki},
 issue = {8},
 journal = {統計数理研究所講究録},
 month = {Nov},
 pages = {351--375},
 title = {市場調査の一例},
 volume = {5},
 year = {1949}
}