@inproceedings{kilbury-1990-qpatr,
    title = "{QPATR} and Constraint Threading",
    author = "Kilbury, James",
    booktitle = "{COLING} 1990 Volume 3: Papers presented to the 13th International Conference on Computational Linguistics",
    year = "1990",
    url = "https://aclanthology.org/C90-3080/"
}