@book{2018takahashiainugotokachihogenbunpogaisetsu,
  title = {アイヌ語十勝方言文法概説},
  author = {高橋 靖以},
  year = {2018},
  language = {ain},
  url = {https://cir.nii.ac.jp/crid/1971149384824124974}
}