@inproceedings{SIGMOD-1983-Bernstein,
	author        = "Philip A. Bernstein",
	booktitle     = "{Proceedings of the 13th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD83/P002.PDF",
	doi           = "10.1145/582192.582195",
	pages         = "2",
	publisher     = "{ACM Press}",
	title         = "{Database Theory: Where Has It Been? Where Is It Going?}",
	year          = 1983,
}