@inproceedings{stajner-saggion-2013-readability,
    title = "Readability Indices for Automatic Evaluation of Text Simplification Systems: A Feasibility Study for {S}panish",
    author = "{\v{S}}tajner, Sanja  and
      Saggion, Horacio",
    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/I13-1043/",
    pages = "374--382"
}