[{"id":"1971-x-s2947h","type":"book","title":"北千島アイヌ語 : 文献学的研究","author":[{"literal":"村山 七郎"}],"issued":{"date-parts":[[1971]]},"language":"ain","URL":"https://ndlsearch.ndl.go.jp/books/R100000002-I000001271762"}]