@article {3900,
	title = {Join Processing Heuristics in Relational Database Systems},
	journal = {Information Systems},
	volume = {15},
	year = {1990},
	pages = {429--444},
	doi = {10.1016/0306-4379(90)90046-R},
	author = {Tamer Ozsu and David J. Meechan}
}
