@InProceedings{toutanova-ilhan-manning:2002:EMNLP02,
  author    = {Kristina Toutanova  and  H. Tolga Ilhan  and  Christopher Manning},
  title     = {Extentions to HMM-based Statistical Word Alignment Models},
  booktitle = {Proceedings of the 2002 Conference on Empirical Methods in Natural Language Processing},
  month     = {July},
  year      = {2002},
  publisher = {Association for Computational Linguistics},
  pages     = {87--94},
  url       = {http://www.aclweb.org/anthology/W02-1012},
  doi       = {10.3115/1118693.1118705}
}