@inproceedings{frost-etal-2007-modular,
    title = "Modular and Efficient Top-Down Parsing for Ambiguous Left-Recursive Grammars",
    author = "Frost, Richard  and
      Hafiz, Rahmatullah  and
      Callaghan, Paul",
    editor = "Bunt, Harry  and
      Merlo, Paola",
    booktitle = "Proceedings of the Tenth International Conference on Parsing Technologies",
    month = jun,
    year = "2007",
    address = "Prague, Czech Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest_wac_2008/W07-2215/",
    pages = "109--120"
}