@article{covington-1990-parsing,
    title = "Parsing Discontinuous constituents in Dependency Grammar",
    author = "Covington, Michael A.",
    journal = "Computational Linguistics",
    volume = "16",
    number = "4",
    year = "1990",
    url = "https://preview.aclanthology.org/fix-sig-urls/J90-4003/",
    pages = "234--236"
}