@book{ndsuzukotamura23,
  title = {アイヌ語入門 : 改訂版 練習編23},
  author = {田村 すゞ子 and すず子 田村},
  language = {ain},
  url = {https://waseda.repo.nii.ac.jp/record/20892/files/A14-023.mp3}
}