@inproceedings{SIGIR-1980-Hafner,
	acmid         = "636678",
	author        = "Carole D. Hafner",
	booktitle     = "{Proceedings of the Joint BCS/ACM Symposium on Information Storage and Retrieval}",
	cdrom         = "SIGIR/1980/P139.pdf",
	isbn          = "408107758",
	pages         = "139--153",
	publisher     = "{Butterworths}",
	title         = "{Representation of Knowledge in a Legal Information Retrieval System}",
	year          = 1980,
}