@book{2020xmsan8m,
  title = {総括アイヌ語地名解 : 「北海道」の命名から百五十年},
  author = {山下 栄光},
  year = {2020},
  language = {ain},
  url = {https://ndlsearch.ndl.go.jp/books/R100000002-I030718817}
}