@book{2789,
	author = {Rob, Peter. and Coronel, Carlos.},
	title = {Database systems :},
	publisher = {Course Technology Cengage Learning,},
	year = {c2004.},
	address = {Australia ;},
	edition = {7th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1104/2009278795-b.html}
}