@inproceedings{SIGMOD-1975-FernandezSC,
	author        = "Eduardo B. Fernández and Rita C. Summers and Charles D. Coleman",
	booktitle     = "{Proceedings of the Fifth ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD75/P023.PDF",
	doi           = "10.1145/500080.500084",
	pages         = "23--31",
	publisher     = "{ACM}",
	title         = "{An Authorization Model for a Shared Data Base}",
	year          = 1975,
}