@InProceedings{heafield-hanneman-lavie:2009:WMT,
  author    = {Heafield, Kenneth  and  Hanneman, Greg  and  Lavie, Alon},
  title     = {Machine Translation System Combination with Flexible Word Ordering},
  booktitle = {Proceedings of the Fourth Workshop on Statistical Machine Translation},
  month     = {March},
  year      = {2009},
  address   = {Athens, Greece},
  publisher = {Association for Computational Linguistics},
  pages     = {56--60},
  url       = {http://www.aclweb.org/anthology/W09-0408}
}