@inproceedings{leermakers-1989-cover,
    title = "How to cover a grammar",
    author = "Leermakers, Ren{\'e}",
    booktitle = "27th Annual Meeting of the Association for Computational Linguistics",
    month = jun,
    year = "1989",
    address = "Vancouver, British Columbia, Canada",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P89-1017/",
    doi = "10.3115/981623.981640",
    pages = "135--142"
}