@inproceedings{SIGMOD-1983-ImielinskiL,
	author        = "Tomasz Imielinski and Witold Lipski Jr.",
	booktitle     = "{Proceedings of the 13th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD83/P178.PDF",
	doi           = "10.1145/582192.582222",
	pages         = "178--184",
	publisher     = "{ACM Press}",
	title         = "{Incomplete Information and Dependencies in Relational Databases}",
	year          = 1983,
}