@book{1991fukudaainugochimeibunkajiten,
  title = {アイヌ語で解く地名と文化事典},
  author = {福田 吉次郎},
  year = {1991},
  language = {ain},
  url = {https://ndlsearch.ndl.go.jp/books/R100000002-I000002163071}
}