@InProceedings{Petrov-Barrett-Klein:2006:PCFGs,
  title     = {Non-Local Modeling with a Mixture of PCFGs},
  author    = {Slav Petrov and Leon Barrett and Dan Klein},
  booktitle = {Proceedings of CoNLL},
  year      = {2006},
  month     = {June},
  address   = {New York City},
  publisher = {Association for Computational Linguistics},
  pages     = {14--20},
  url       = {http://www.aclweb.org/anthology/W/W06/W06-2903},
}