@inproceedings{hepple-morrill-1989-parsing,
    title = "Parsing and Derivational Equivalence",
    author = "Hepple, Mark  and
      Morrill, Glyn",
    booktitle = "Fourth Conference of the {E}uropean Chapter of the Association for Computational Linguistics",
    month = apr,
    year = "1989",
    address = "Manchester, England",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/E89-1002",
}