@article{sowa-1981-everything,
    title = "Everything that Linguists have Always Wanted to Know about Logic* *but were ashamed to ask",
    author = "Sowa, John F.",
    journal = "American Journal of Computational Linguistics",
    volume = "7",
    number = "4",
    year = "1981",
    url = "https://preview.aclanthology.org/fix-sig-urls/J81-4006/"
}