@inproceedings{SIGMOD-1993-BeeriM,
	author        = "Catriel Beeri and Tova Milo",
	booktitle     = "{Proceedings of the 23rd ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD93/P377.PDF",
	doi           = "10.1145/170035.170090",
	pages         = "377--386",
	publisher     = "{ACM Press}",
	title         = "{On the Power of Algebras with Recursion}",
	year          = 1993,
}