@article{coblin1999periodization,
  author = {Coblin, W. South},
  title = {Periodization in Northwest Chinese dialect history},
  journal = {Journal of Chinese linguistics},
  xn-author = {coblin, w. south},
  xn-pub = {Journal of Chinese linguistics},
  volume = {27},
  number = {1},
  year = {1999},
  pages = {104-119},
  check = {coblin:1999:periodization},
  source = {BL},
}