PITTER, Keiko Using IBM microcomputers wordperfect 5.1, Lotus 1-2-3, dBASE III PLUS and IV, an Using IBM microcomputers wordperfect 5.1, Lotus 1-2-3, dBASE III PLUS and IV, and file transfer / by Keiko Pitter - 4th ed. - New York McGraw-Hill 1992 - xxiv, 521 p. Includes glossary Dewey Class. No.: 5.365 / PIT