@book{1998anonoutlineeconomiclifeainuisland,
  title = {An outline of the economic life of the Ainu on the island of Sakhalin},
  year = {1998},
  doi = {10.1515/9783110820768-016},
  language = {ain},
  url = {https://doi.org/10.1515/9783110820768-016}
}