@book{1990yuraainugochimeidensetsunoiwakamuikotan,
  title = {アイヌ語地名と伝説の岩 : カムイコタンからチュプペッまで},
  author = {由良 勇},
  year = {1990},
  language = {ain},
  url = {https://ndlsearch.ndl.go.jp/books/R100000002-I000002164527}
}