@misc{500193,
  address      = {Dallas},
  author       = {ISO 639-3 Registration Authority},
  howpublished = {https://iso639-3.sil.org/request/2006-027},
  number       = {2006-027},
  publisher    = {SIL International},
  title        = {Change Request Number 2006-027: adopted merge [ztc], adopted update [zty] (2007-07-18)},
  url          = {https://iso639-3.sil.org/sites/iso639-3/files/change_requests/2006/2006-027.pdf},
  year         = {2006},
  hhtype       = {overview},
  lgcode       = {Lachirioag Zapotec [ztc], Yatee Zapotec [zty]},
  macro_area   = {North America},
  src          = {iso6393}
}