@article{1998udagawaainumumojishakaikokogaku,
  title = {アイヌの無文字社会と考古学},
  author = {宇田川 洋},
  year = {1998},
  doi = {10.24471/shigaku.107.1\_35},
  language = {ain},
  url = {https://doi.org/10.24471/shigaku.107.1\_35}
}