@inproceedings{calder-etal-1988-unification,
    title = "Unification Categorial Grammar: A Concise, Extendable Grammar for Natural Language Processing",
    author = "Calder, Jonathan  and
      Klein, Ewan  and
      Zeevat, Henk",
    booktitle = "{C}oling {B}udapest 1988 Volume 1: {I}nternational {C}onference on {C}omputational {L}inguistics",
    year = "1988",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/C88-1018/"
}