@book{325,
	author = {Silberschatz, Abraham. and Korth, Henry F.},
	title = {Database system concepts /},
	publisher = {McGraw-Hill,},
	year = {2002.},
	address = {Boston:},
	edition = {4th ed.},
	note = {Includes bibliography (p.1005-1042) and index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0643/2001030845-d.html}
}