@InProceedings{headdeniii-charniak-johnson:2006:EMNLP,
  author    = {Headden III, William P.  and  Charniak, Eugene  and  Johnson, Mark},
  title     = {Learning Phrasal Categories},
  booktitle = {Proceedings of the 2006 Conference on Empirical Methods in Natural Language Processing},
  month     = {July},
  year      = {2006},
  address   = {Sydney, Australia},
  publisher = {Association for Computational Linguistics},
  pages     = {301--307},
  url       = {http://www.aclweb.org/anthology/W/W06/W06-1636}
}