@inproceedings{Tillmann:2003:EMNLP,
  author = {Tillmann, Christoph},
  title  = {A Projection Extension Algorithm for Statistical Machine Translation},
  booktitle = {Proceedings of the 2003 Conference on Empirical Methods in Natural Language Processing},
  editor = {Michael Collins and Mark Steedman},
  url    = {http://www.aclweb.org/anthology/W03-1001.pdf},
  year   = 2003,
  pages  = {1--8}