@InProceedings{Bouchard-Liang-Griffiths-Klein:2007:Diachronic,
  title     = {A Probabilistic Approach to Diachronic Phonology},
  author    = {Alexandre Bouchard-Côté and Percy Liang and Thomas Griffiths and Dan Klein},
  booktitle = {Proceedings of EMNLP},
  year      = {2007},
}