Date, C. J. An Introduction to database systems C.J. Date; with a foreword and suggested exercises by J. R. Isaac. - 3rd. ed. - New Delhi Narosa Publishing House c1981[1998]. - xxx, 580p.; 22 cm. ISBN: 8185015589 Subjects--Topical Terms: Database management. Database systems Dewey Class. No.: 005.74 / D18I