@book{62173,
	author = {Silberschatz, Abraham.},
	title = {Database system concepts /},
	publisher = {McGraw-Hill,},
	year = {2002.},
	address = {Boston :},
	edition = {4th ed.},
	note = {Includes index.},
	url = {http://www.amazon.com/Database-System-Concepts-Abraham-Silberschatz/dp/007120489X/ref=sr_1_1?s=books&ie=UTF8&qid=1418581998&sr=1-1&keywords=007120489X}
}