[{"id":"2022-sato-3-major-old-documents-ainu","type":"book","title":"3 Major old documents of Ainu and some problems in the historical study of Ainu","author":[{"literal":"佐藤 知己"}],"container-title":"Handbook of the Ainu Language","issued":{"date-parts":[[2022]]},"DOI":"10.1515/9781501502859-004","URL":"https://doi.org/10.1515/9781501502859-004","language":"ain"}]