@book{4684, author = {Silberschatz, Abraham. and Korth, Henry F.}, title = {Database system concepts /}, publisher = {McGraw-Hill,}, year = {c2011.}, address = {New York :}, edition = {6th ed.}, url = {https://uowd.box.com/s/emji2tyypl5bnk41qhxxpqodaug1myvj} }