@inproceedings{SIGMOD-1989-SalzaT,
	author        = "Silvio Salza and Mario Terranova",
	booktitle     = "{Proceedings of the 19th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD89/P008.PDF",
	doi           = "10.1145/67544.66927",
	pages         = "8--14",
	title         = "{Evaluating the Size of Queries on Relational Databases with non Uniform Distribution and Stochastic Dependence}",
	year          = 1989,
}