Date, C. J. An introduction to database systems / C.J. Date. - Reading, Mass. : Addison-Wesley Pub. Co., c1983. - xxiii, 839 p. : ill. ; 24 cm. - Addison-Wesley systems programming series . Includes index. Includes bibliographical references and index. ISBN: 020154329X LCCN: 94003187 Subjects--Topical Terms: Database management. LC Class. No.: QA76.9.D3 / D3659 1995 Dewey Class. No.: 001.64 / DAI 1995