@inproceedings{SIGMOD-1987-LyngbaekV,
	author        = "Peter Lyngbæk and Victor Vianu",
	booktitle     = "{Proceedings of the 17th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD87/P132.PDF",
	doi           = "10.1145/38713.38732",
	pages         = "132--142",
	title         = "{Mapping a Semantic Database Model to the Relational Model}",
	year          = 1987,
}