@misc{641379,
  address      = {Dallas},
  author       = {ISO 639-3 Registration Authority},
  howpublished = {https://iso639-3.sil.org/request/2021-018},
  number       = {2021-018},
  publisher    = {SIL International},
  title        = {Change Request Number 2021-018: adopted update [xkk] (2022-01-20)},
  url          = {https://iso639-3.sil.org/sites/iso639-3/files/change_requests/2021/2021-018.pdf},
  year         = {2021},
  hhtype       = {overview},
  lgcode       = {Kachok [xkk]},
  macro_area   = {Eurasia},
  src          = {iso6393}
}