@inproceedings{VLDB-1981-Kent,
	author        = "William Kent",
	booktitle     = "{Proceedings of the Seventh International Conference on Very Large Data Bases}",
	cdrom         = "VLDB81/P013.PDF",
	pages         = "13--22",
	publisher     = "{IEEE Computer Society}",
	title         = "{Data Model Theory Meets a Practical Application}",
	year          = 1981,
}