[{"id":"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":[{"literal":"立石 久雄"}],"issued":{"date-parts":[[1991]]},"URL":"https://dl.ndl.go.jp/pid/13520469","language":"ain"}]