@article{1938kindaichiainugokeito,
  title = {アイヌ語系統},
  author = {金田一 京助},
  year = {1938},
  journal = {『国語史』 系統篇 刀江書房},
  language = {ain},
  url = {https://aterui.ws.hosei.ac.jp/togo/detail.php?id=1277\&domain=ainu}
}