@inproceedings{SIGMOD-1982-ImielinskiL,
	author        = "Tomasz Imielinski and Witold Lipski Jr.",
	booktitle     = "{Proceedings of the 12th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD82/P008.PDF",
	doi           = "10.1145/582353.582356",
	pages         = "8--14",
	publisher     = "{ACM Press}",
	title         = "{A Systematic Approach to Relational Database Theory}",
	year          = 1982,
}