@inproceedings{toutanova-ilhan-manning:2002:EMNLP-2002,
  author    = {Toutanova, Kristina  and  Ilhan, H. Tolga  and  Manning, Christopher},
  title     = {Extentions to HMM-based Statistical Word Alignment Models},
  booktitle = {Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP)},
  year      = 2002,
  month     = {July},
  address   = {Philadelphia},
  publisher = {Association for Computational Linguistics},
  pages     = {87--94}
}