Pratt, Philip J. Database systems : management and design / Philip J. Pratt, Joseph J. Adamski. - 2nd ed. - Boston, MA : Boyd & Fraser Pub. Co., c1991. - xxii, 826 p. : ill. ; 24 cm. ISBN: 0878355790 Subjects--Topical Terms: Database management. System design Dewey Class. No.: 005.756 PRA