@inproceedings{stallard-1989-unification, title = "Unification-Based Semantic Interpretation in the {BBN} Spoken Language System", author = "Stallard, David", booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Cape Cod, Massachusetts, October 15-18, 1989", year = "1989", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/H89-2006/" }