@inproceedings{chen-meurers-2016-characterizing,
    title = "Characterizing Text Difficulty with Word Frequencies",
    author = "Chen, Xiaobin  and
      Meurers, Detmar",
    editor = "Tetreault, Joel  and
      Burstein, Jill  and
      Leacock, Claudia  and
      Yannakoudakis, Helen",
    booktitle = "Proceedings of the 11th Workshop on Innovative Use of {NLP} for Building Educational Applications",
    month = jun,
    year = "2016",
    address = "San Diego, CA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest_wac_2008/W16-0509/",
    doi = "10.18653/v1/W16-0509",
    pages = "84--94"
}