Mittra, Sitansu S. Principles of relational database systems / Sitansu S Mittra - Int ed. - Englewood Cliffs, N.J. : Prentice - Hall, c1991 - xii, 323P. ; 24cm. ISBN: 0137386184 Subjects--Topical Terms: Relational databases. Dewey Class. No.: 005.756 / MIT