@book{2011refsingtenseaspectactionalityainulanguage,
  title = {Tense, aspect and actionality in the Ainu language},
  author = {Kirsten Refsing},
  year = {2011},
  doi = {10.1515/9783110883077.311},
  language = {ain},
  url = {https://doi.org/10.1515/9783110883077.311}
}