2021-koyama-ainu-go-jomon-go:
  type: book
  title: "アイヌ語は縄文語である"
  author:
    - "小山, 正"
  date: 2021
  url: "https://ndlsearch.ndl.go.jp/books/R100000002-I032715440"
  language: "ain"
