@InProceedings{Li04,
  author =   {X. Li and J. Malkin and J. Bilmes},
  title =    {Graphical Model Approach to Pitch Tracking},
  booktitle = {Proc. Intl. Conf. on Spoken Language Processing},
  year =     {2004},
  month =    {Oct},
  location =  {Jeju, Korea}
}