@inproceedings{VLDB-1986-OlkenR,
	author        = "Frank Olken and Doron Rotem",
	booktitle     = "{Proceedings of the 12th International Conference on Very Large Data Bases}",
	ee            = "http://www.vldb.org/conf/1986/P160.PDF",
	isbn          = "0-934613-18-4",
	pages         = "160--169",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Simple Random Sampling from Relational Databases}",
	year          = 1986,
}