@inproceedings{SIGFIDET-1974-Beitz,
	author        = "E. Henry Beitz",
	booktitle     = "{Proceedings of the Fourth ACM-SIGFIDET Workshop on Data Description, Access and Control}",
	cdrom         = "SIGFIDET74-1/P477.pdf",
	doi           = "10.1145/800296.811527",
	pages         = "477--494",
	publisher     = "{ACM}",
	title         = "{A Set-Theoretic View of Data Base Representation}",
	year          = 1974,
}