@article{oai:ismrepo.ism.ac.jp:00031958,
 author = {水田, 正弘 and 馬場, 康維 and Mizuta, Masahiro and Baba, Yasumasa},
 issue = {1},
 journal = {統計数理, Proceedings of the Institute of Statistical Mathematics},
 month = {Jun},
 pages = {1--11},
 title = {Principal Curves と数量化III類を用いた質的データの１次元構造の抽出},
 volume = {41},
 year = {1993}
}