@article{1998tomeainugohokkaidotobuhogen,
  title = {アイヌ語北海道東部方言教本},
  author = {沢井 トメノ and 切替 英雄},
  year = {1998},
  language = {ain},
  url = {https://cir.nii.ac.jp/crid/1971149384775450651}
}