@article{damerau-1981-operating,
    title = "Operating Statistics for the Transformational Question Answering System",
    author = "Damerau, Fred J.",
    journal = "American Journal of Computational Linguistics",
    volume = "7",
    number = "1",
    year = "1981",
    url = "https://preview.aclanthology.org/fix-sig-urls/J81-1003/",
    pages = "30--42"
}