@inproceedings{sigurd-1973-numbers,
    title = "From Numbers to Numerals and Vice Versa",
    author = "Sigurd, Bengt",
    booktitle = "{COLING} 1973 Volume 2: Computational And Mathematical Linguistics: Proceedings of the International Conference on Computational Linguistics",
    year = "1973",
    url = "https://preview.aclanthology.org/fix-sig-urls/C73-2031/"
}