@book{1972matsuiainugokoza,
  title = {伝承講座「アイヌ語講座」の開講前に},
  author = {松井 恒幸},
  year = {1972},
  language = {ain},
  url = {https://aterui.ws.hosei.ac.jp/togo/detail.php?id=5024\&domain=ainu}
}