Date, C. J. An Introduction to Database Systems / C. J. Date - United States of America: Addison-Wesley - x, 383 p. / ó 2 v. / 23 cm. Incluye Contens, índex. ISBN: 0-201-14474-3 Subjects--Topical Terms: 1. DATA BASE MANAGEMENT LC Class. No.: QA76.9 D3 Dewey Class. No.: 001.6 D335a