@misc{500460,
  address      = {Dallas},
  author       = {ISO 639-3 Registration Authority},
  howpublished = {https://iso639-3.sil.org/request/2009-037},
  number       = {2009-037},
  publisher    = {SIL International},
  title        = {Change Request Number 2009-037: adopted split [sum], adopted create [ulw], adopted create [yan] (2010-01-18)},
  url          = {https://iso639-3.sil.org/sites/iso639-3/files/change_requests/2009/2009-037.pdf},
  year         = {2009},
  hhtype       = {overview},
  inlg         = {Mandarin Chinese [cmn]},
  lgcode       = {Sumo-Mayangna [sum], Ulwa [ulw], Mayangna [yan]},
  macro_area   = {North America},
  src          = {iso6393}
}