1991-risshaku-ainu-shin-yo-yukara:
  type: book
  title: "アイヌの神謡 : 昔話とユーカラへの道"
  author:
    - "立石 久雄"
  date: 1991
  url: "https://dl.ndl.go.jp/pid/13520469"
  language: "ain"
