@inproceedings{johnson-1998-finite,
    title = "Finite-state Approximation of Constraint-based Grammars using Left-corner Grammar Transforms",
    author = "Johnson, Mark",
    booktitle = "{COLING} 1998 Volume 1: The 17th International Conference on Computational Linguistics",
    year = "1998",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/C98-1098/"
}