@book{2009satoabutahogenyukargengotekitokucho,
  title = {アイヌ語虻田方言の英雄叙事詩(yukar)テキストとその言語的特徴},
  author = {佐藤 知己},
  year = {2009},
  language = {ain},
  url = {https://cir.nii.ac.jp/crid/1521417754980786816}
}