[{"id":"2021-koyama-ainu-go-jomon-go","type":"book","title":"アイヌ語は縄文語である","author":[{"literal":"小山, 正"}],"issued":{"date-parts":[[2021]]},"URL":"https://ndlsearch.ndl.go.jp/books/R100000002-I032715440","language":"ain"}]