@inproceedings{zulaica-hernandez-gutierrez-rexach-2009-tense,
    title = "Tense, Temporal Expressions and Demonstrative Licensing in Natural Discourse.",
    author = "Zulaica-Hern{\'a}ndez, Iker  and
      Guti{\'e}rrez-Rexach, Javier",
    editor = "Healey, Patrick  and
      Pieraccini, Roberto  and
      Byron, Donna  and
      Young, Steve  and
      Purver, Matthew",
    booktitle = "Proceedings of the {SIGDIAL} 2009 Conference",
    month = sep,
    year = "2009",
    address = "London, UK",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest_wac_2008/W09-3913/",
    pages = "97--106"
}