Lehman, John A. Systems design in the fourth generation object-based development using dBASE / John A. Lehman. - New York : Wiley, c1991. - x, 381 p. : ill. ; 24 cm. - Wiley series in computing and information processing . Includes bibliographical references and index. ISBN: 0471527521 LCCN: 90048154 Subjects--Uniform Titles: dBase III.dBase IV (Computer file) Subjects--Topical Terms: System design. LC Class. No.: QA76.9.S88 / L45 1991 Dewey Class. No.: 005.7565