@article{haas-1989-parsing,
    title = "A Parsing Algorithm for Unification Grammar",
    author = "Haas, Andrew",
    journal = "Computational Linguistics",
    volume = "15",
    number = "4",
    year = "1989",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/J89-4001/",
    pages = "219--232"
}