@book{1999miyaokaainugoshohogenchosahokoku1,
  title = {アイヌ語諸方言調査報告 1},
  author = {宮岡 伯人},
  year = {1999},
  language = {ain},
  url = {https://ndlsearch.ndl.go.jp/books/R100000002-I000007083023}
}