@article{purnell1987developing,
  author = {PURNELL, Herbert C.},
  title = {Developing practical orthographies for the Iu Mien (Yao), 1932 - 1986: a case study},
  crossref = {ltba10.2},
  journal = {Linguistics of the Tibeto-Burman Area},
  volume = {10},
  parent = {ltba},
  permission = {1},
  year  = {1987},
  layout = {-width=3900 -height=5000 -leftOdd=50 -topOdd=200 -leftEven=100 -topEven=50  },
  number = {2},
  pages = {128-141},
  keywords = {language planning|orthography},
  langref = {Hmong-Mien},
  url = {http://purl.org/sealang/purnell1987developing.pdf}
  check = {purnell:1987:developing},
  xn-author = {purnell, herbert c.},
  xn-pub = {Linguistics of the Tibeto-Burman Area},
  source = {sealang},
}