@book{2010nakagawaainugohirogarusekai,
  title = {アイヌ語のむこうに広がる世界},
  author = {中川 裕},
  year = {2010},
  language = {ain},
  url = {https://ndlsearch.ndl.go.jp/books/R100000002-I000011157408}
}