Simpson, Allan, 1953- Understanding dBASE II. - Berkley : SYBEX, c1984. - xv, 260 p. : ill. ; 23 cm. Includes index. Pb. ISBN: 08958814710 Subjects--Topical Terms: Database management.dBASE II. LC Class. No.: QA 76.9 D3 / S57 1984