@article {3899,
	title = {Finding Heuristics for Processing Selection Queries in Relational Database Systems},
	journal = {Information Systems},
	volume = {15},
	year = {1990},
	pages = {359--373},
	doi = {10.1016/0306-4379(90)90007-C},
	author = {Tamer Ozsu and David J. Meechan}
}
