@inproceedings{yampol-karttunen-1990-efficient,
    title = "An Efficient Implementation of {PATR} for Categorial Unification Grammar",
    author = "Yampol, Todd  and
      Karttunen, Lauri",
    booktitle = "{COLING} 1990 Volume 2: Papers presented to the 13th International Conference on Computational Linguistics",
    year = "1990",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/C90-2072/"
}