@inproceedings{landauer-etal-2009-new,
    title = "A New Yardstick and Tool for Personalized Vocabulary Building",
    author = "Landauer, Thomas  and
      Kireyev, Kirill  and
      Panaccione, Charles",
    editor = "Tetreault, Joel  and
      Burstein, Jill  and
      Leacock, Claudia",
    booktitle = "Proceedings of the Fourth Workshop on Innovative Use of {NLP} for Building Educational Applications",
    month = jun,
    year = "2009",
    address = "Boulder, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W09-2104/",
    pages = "27--33"
}