@InProceedings{Unisys_description_of_the_Unisys_system_used_for_MUC_3,
	author = "Carl Weir, Tim Finin, Robin McEntire, and Barry SIlk",
	title = "{Unisys: description of the Unisys system used for MUC-3}",
	month = "May",
	year = "1991",
	pages = "212-222",
	booktitle = "Proceedings of the 3rd conference on Message understanding (MUC3 '91)",
	publisher = "Association for Computational Linguistics, Stroudsburg, PA, USA",
}