@article{2011masayukistudydeclinerevivalainulanguage,
  title = {A Study of the Decline and Revival of the Ainu Language},
  author = {Ueno Masayuki},
  year = {2011},
  journal = {Institutional Repositories DataBase (IRDB)},
  language = {ain},
  url = {https://saigaku.repo.nii.ac.jp/records/526}
}