@inproceedings{hafner-1984-interaction,
    title = "Interaction of Knowledge Sources in a Portable Natural Language Interface",
    author = "Hafner, Carole D.",
    booktitle = "10th International Conference on Computational Linguistics and 22nd Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "1984",
    address = "Stanford, California, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/P84-1014/",
    doi = "10.3115/980491.980505",
    pages = "57--60"
}