@book{9306, author = {Ramakrishnan, Raghu. and Gehrke, Johannes.}, title = {Database management systems /}, publisher = {McGraw Hill,}, year = {c2003.}, address = {Boston :}, edition = {3rd ed.}, note = {Includes bibliographical references.}, url = {https://uowd.box.com/s/emji2tyypl5bnk41qhxxpqodaug1myvj} }