@inproceedings{thompson-1981-chart,
    title = "Chart Parsing and Rule Schemata in {PSG}",
    author = "Thompson, Henry",
    booktitle = "19th Annual Meeting of the Association for Computational Linguistics",
    month = jun,
    year = "1981",
    address = "Stanford, California, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/P81-1036/",
    doi = "10.3115/981923.981966",
    pages = "167--172"
}