@proceedings{muc-1991-message, title = "{T}hird {M}essage {U}nderstanding {C}onference ({MUC}-3): Proceedings of a Conference Held in {S}an {D}iego, {C}alifornia, {M}ay 21-23, 1991", year = "1991", url = "https://preview.aclanthology.org/ingest_wac_2008/M91-1000/" }