@article{1917bertholdlauferthevigesimalanddecimalsystemsintheainunume,
  title = {The Vigesimal and Decimal Systems in the Ainu Numerals: With Some Remarks on Ainu Phonology},
  author = {Berthold Laufer},
  year = {1917},
  journal = {Journal of the American Oriental Society},
  doi = {10.2307/592921},
  language = {ain},
  url = {https://doi.org/10.2307/592921}
}