Irwin, Michael R. Visual dBASE programming / Michael R. Irwin. - Upper Saddle River, N.J. : Prentice Hall PTR, c1996. - xxiii, 728 p. : ill. ; 24 cm. + 1 computer disk (3 1/2 in.) Includes index ISBN: 0132399229 LCCN: 96014060 Subjects--Uniform Titles: Visual dBASE.Database management--Computer programs. LC Class. No.: QA76.9 / .D3Ir9 1996 Dewey Class. No.: 005.75/65