@inproceedings{PODS-1986-MannilaR,
	author        = "Heikki Mannila and Kari-Jouko Räihä",
	booktitle     = "{Proceedings of the Fifth Symposium on Principles of Database Systems}",
	doi           = "10.1145/6012.15415",
	isbn          = "0-89791-179-2",
	pages         = "217--223",
	publisher     = "{ACM}",
	title         = "{Test Data for Relational Queries}",
	year          = 1986,
}