@InProceedings{bethard:2013:EMNLP,
  author    = {Bethard, Steven},
  title     = {A Synchronous Context Free Grammar for Time Normalization},
  booktitle = {Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing},
  month     = {October},
  year      = {2013},
  address   = {Seattle, Washington, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {821--826},
  url       = {http://www.aclweb.org/anthology/D13-1078}
}