@inproceedings{bohnet-etal-2013-towards,
    title = "Towards the Annotation of {P}enn {T}ree{B}ank with Information Structure",
    author = "Bohnet, Bernd  and
      Burga, Alicia  and
      Wanner, Leo",
    editor = "Mitkov, Ruslan  and
      Park, Jong C.",
    booktitle = "Proceedings of the Sixth International Joint Conference on Natural Language Processing",
    month = oct,
    year = "2013",
    address = "Nagoya, Japan",
    publisher = "Asian Federation of Natural Language Processing",
    url = "https://preview.aclanthology.org/fix-sig-urls/I13-1178/",
    pages = "1250--1256"
}