@inproceedings{pereira-1990-finite,
    title = "Finite-State Approximations of Grammars",
    author = "Pereira, Fernando",
    booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Hidden Valley, {P}ennsylvania, June 24-27,1990",
    year = "1990",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/H90-1005/"
}