Date, C. J. An introduction to database systems / C.J. Date. - 8th ed. - Boston : PeaRed Sporton/Addison Wesley, 2004. - xxvii, 983, 22 p. : ill. ; 24 cm ISBN: 9780321189561 Subjects--Topical Terms: Database management. Dewey Class. No.: 005.74 DAT