@InProceedings{zens-ney:2005:WPT,
  author    = {Zens, Richard  and  Ney, Hermann},
  title     = {Word Graphs for Statistical Machine Translation},
  booktitle = {Proceedings of the ACL Workshop on Building and Using Parallel Texts},
  month     = {June},
  year      = {2005},
  address   = {Ann Arbor, Michigan},
  publisher = {Association for Computational Linguistics},
  pages     = {191--198},
  url       = {http://www.aclweb.org/anthology/W/W05/W05-0834}
}