@inproceedings{antonsen-etal-2009-interactive,
    title = "Interactive pedagogical programs based on constraint grammar",
    author = "Antonsen, Lene  and
      Huhmarniemi, Saara  and
      Trosterud, Trond",
    editor = "Jokinen, Kristiina  and
      Bick, Eckhard",
    booktitle = "Proceedings of the 17th Nordic Conference of Computational Linguistics ({NODALIDA} 2009)",
    month = may,
    year = "2009",
    address = "Odense, Denmark",
    publisher = "Northern European Association for Language Technology (NEALT)",
    url = "https://preview.aclanthology.org/fix-sig-urls/W09-4604/",
    pages = "10--17"
}