@book{1960takakurashinichiroainuofnorthernjapan,
  title = {Ainu of Northern Japan},
  author = {Takakura Shinichiro},
  year = {1960},
  doi = {10.70249/9798893980103},
  language = {ain},
  url = {https://doi.org/10.70249/9798893980103}
}