@book{1193,
	author = {Garcia-Molina, Hector. and Ullman, Jeffrey D.,},
	title = {Database systems :},
	publisher = {Pearson Prentice Hall,},
	year = {c2009.},
	address = {Upper Saddle River, N.J. :},
	edition = {2nd ed.},
	note = {Previous ed.: 2002.}
}