@inproceedings{havelka-2007-relationship,
    title = "Relationship between Non-Projective Edges, Their Level Types, and Well-Nestedness",
    author = "Havelka, Ji{\v{r}}{\'i}",
    editor = "Sidner, Candace  and
      Schultz, Tanja  and
      Stone, Matthew  and
      Zhai, ChengXiang",
    booktitle = "Human Language Technologies 2007: The Conference of the North {A}merican Chapter of the Association for Computational Linguistics; Companion Volume, Short Papers",
    month = apr,
    year = "2007",
    address = "Rochester, New York",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/N07-2016/",
    pages = "61--64"
}