@inproceedings{langley-1980-production,
    title = "A Production System Model of First Language Acquisition",
    author = "Langley, Pat",
    booktitle = "{COLING} 1980 Volume 1: The 8th International Conference on Computational Linguistics",
    year = "1980",
    url = "https://preview.aclanthology.org/author-page-yu-wang-polytechnic/C80-1026/"
}