@inproceedings{block-schachtl-1992-trace,
    title = "Trace {\&} Unification Grammar",
    author = "Block, Hans Ulrich  and
      Schachtl, Stefanie",
    booktitle = "{COLING} 1992 Volume 1: The 14th {I}nternational {C}onference on {C}omputational {L}inguistics",
    year = "1992",
    url = "https://preview.aclanthology.org/fix-sig-urls/C92-1017/"
}