@book{1956johannesrahderetymologicalvocabularyofjapanesekoreanandain,
  title = {Etymological vocabulary of Japanese, Korean, and Ainu},
  author = {Johannes Rahder},
  year = {1956},
  doi = {10.69341/2001240},
  language = {ain},
  url = {https://doi.org/10.69341/2001240}
}