@book{1958usamiainukanjohokkaidohizakurige,
  title = {アイヌ勘定 : 北海道膝栗毛},
  author = {宇佐美, 省吾},
  year = {1958},
  language = {ain},
  url = {https://ndlsearch.ndl.go.jp/books/R100000002-I000000980107}
}