@article{norvig-1991-techniques,
    title = "Techniques for Automatic Memoization with Applications to Context-Free Parsing",
    author = "Norvig, Peter",
    journal = "Computational Linguistics",
    volume = "17",
    number = "1",
    year = "1991",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/J91-1004/",
    pages = "91--98"
}