@article{martin-1981-formal,
    title = "Formal Roles, Co-Descriptors, and the Representation of Quantified {E}nglish Expressions",
    author = "Martin, William A.",
    journal = "American Journal of Computational Linguistics",
    volume = "7",
    number = "3",
    year = "1981",
    url = "https://preview.aclanthology.org/fix-sig-urls/J81-3001/",
    pages = "137--148"
}