@inproceedings{SIGFIDET-1970-SymondsL,
	author        = "Andrew J. Symonds and Raymond A. Lorie",
	booktitle     = "{Record of the First ACM SIGFIDET Workshop on Data Description and Access}",
	cdrom         = "SIGFIDET70/P230.pdf",
	pages         = "230--245",
	publisher     = "{ACM}",
	title         = "{A Schema for Describing a Relational Data Base}",
	year          = 1970,
}