@inproceedings{karttunen-1986-patr,
    title = "{D}-{PATR}: A Development Environment for Unification-Based Grammars",
    author = "Karttunen, Lauri",
    booktitle = "Coling 1986 Volume 1: The 11th International Conference on Computational Linguistics",
    year = "1986",
    url = "https://preview.aclanthology.org/fix-sig-urls/C86-1016/"
}