@book{1990taryoobayashitheyukaroftheainuanditshistoricalbackgroun,
  title = {The Yukar of the Ainu and Its Historical Background},
  author = {Taryo Obayashi},
  year = {1990},
  doi = {10.1515/9783110874556.519},
  language = {ain},
  url = {https://doi.org/10.1515/9783110874556.519}
}