@inproceedings{prolo-2002-coping,
    title = "Coping with Problems in Grammars Automatically Extracted from Treebanks",
    author = "Prolo, Carlos A.",
    booktitle = "{COLING}-02: Grammar Engineering and Evaluation",
    year = "2002",
    url = "https://aclanthology.org/W02-1509/"
}