@inproceedings{metzing-1980-atns,
    title = "{ATN}s Used as a Procedural Dialog Model",
    author = "Metzing, D.",
    booktitle = "{COLING} 1980 Volume 1: The 8th International Conference on Computational Linguistics",
    year = "1980",
    url = "https://preview.aclanthology.org/fix-sig-urls/C80-1073/"
}