@misc{500330,
  address      = {Dallas},
  author       = {ISO 639-3 Registration Authority},
  howpublished = {https://iso639-3.sil.org/request/2012-037},
  number       = {2012-037},
  publisher    = {SIL International},
  title        = {Change Request Number 2012-037: adopted update [zyp] (2013-01-23)},
  url          = {https://iso639-3.sil.org/sites/iso639-3/files/change_requests/2012/2012-037.pdf},
  year         = {2012},
  hhtype       = {overview},
  lgcode       = {Zyphe Chin [zyp]},
  macro_area   = {Eurasia},
  src          = {iso6393}
}