@inproceedings{SIGMOD-1987-SaccaZ,
	author        = "Domenico Saccà and Carlo Zaniolo",
	booktitle     = "{Proceedings of the 17th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD87/P049.PDF",
	doi           = "10.1145/38713.38725",
	pages         = "49--59",
	title         = "{Magic Counting Methods}",
	year          = 1987,
}