@InProceedings{bohnet-burga-wanner:2013:IJCNLP,
  author    = {Bohnet, Bernd  and  Burga, Alicia  and  Wanner, Leo},
  title     = {Towards the Annotation of Penn TreeBank with Information Structure},
  booktitle = {Proceedings of the Sixth International Joint Conference on Natural Language Processing},
  month     = {October},
  year      = {2013},
  address   = {Nagoya, Japan},
  publisher = {Asian Federation of Natural Language Processing},
  pages     = {1250--1256},
  url       = {http://www.aclweb.org/anthology/I13-1178}
}